Finding the Third Proportional to 64,904 and 140,822

Step by Step Solution

1. Step 1: Write the proportion equation
   64,904 : 140,822 = 140,822 : x
2. Step 2: Convert to fraction form
   64,904/140,822 = 140,822/x
3. Step 3: Cross multiply
   64,904x = 140,822 × 140,822
4. Step 4: Simplify right side
   64,904x = 19,830,835,684
5. Step 5: Solve for x
   x = 19,830,835,684/64,904
6. Step 6: Final answer
   x = 305,541.04