Finding the Third Proportional to 31,140,735 and 72,758,810

Step by Step Solution

1. Step 1: Write the proportion equation
   31,140,735 : 72,758,810 = 72,758,810 : x
2. Step 2: Convert to fraction form
   31,140,735/72,758,810 = 72,758,810/x
3. Step 3: Cross multiply
   31,140,735x = 72,758,810 × 72,758,810
4. Step 4: Simplify right side
   31,140,735x = 5,293,844,432,616,100
5. Step 5: Solve for x
   x = 5,293,844,432,616,100/31,140,735
6. Step 6: Final answer
   x = 169,997,414.40