Finding the Third Proportional to 53,397,560 and 82,719,832

Step by Step Solution

1. Step 1: Write the proportion equation
   53,397,560 : 82,719,832 = 82,719,832 : x
2. Step 2: Convert to fraction form
   53,397,560/82,719,832 = 82,719,832/x
3. Step 3: Cross multiply
   53,397,560x = 82,719,832 × 82,719,832
4. Step 4: Simplify right side
   53,397,560x = 6,842,570,606,108,224
5. Step 5: Solve for x
   x = 6,842,570,606,108,224/53,397,560
6. Step 6: Final answer
   x = 128,143,881.60