Finding the Third Proportional to 19,816,141,827,904 and 40,197,316,386,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,816,141,827,904 : 40,197,316,386,978 = 40,197,316,386,978 : x
2. Step 2: Convert to fraction form
   19,816,141,827,904/40,197,316,386,978 = 40,197,316,386,978/x
3. Step 3: Cross multiply
   19,816,141,827,904x = 40,197,316,386,978 × 40,197,316,386,978
4. Step 4: Simplify right side
   19,816,141,827,904x = 1,615,824,244,714,810,123,728,453,632
5. Step 5: Solve for x
   x = 1,615,824,244,714,810,123,728,453,632/19,816,141,827,904
6. Step 6: Final answer
   x = 81,540,809,444,525.44