Finding the Third Proportional to 31,835,656 and 68,213,792

Step by Step Solution

1. Step 1: Write the proportion equation
   31,835,656 : 68,213,792 = 68,213,792 : x
2. Step 2: Convert to fraction form
   31,835,656/68,213,792 = 68,213,792/x
3. Step 3: Cross multiply
   31,835,656x = 68,213,792 × 68,213,792
4. Step 4: Simplify right side
   31,835,656x = 4,653,121,419,019,264
5. Step 5: Solve for x
   x = 4,653,121,419,019,264/31,835,656
6. Step 6: Final answer
   x = 146,160,689.10