Finding the Third Proportional to 31,517,594 and 67,898,348

Step by Step Solution

1. Step 1: Write the proportion equation
   31,517,594 : 67,898,348 = 67,898,348 : x
2. Step 2: Convert to fraction form
   31,517,594/67,898,348 = 67,898,348/x
3. Step 3: Cross multiply
   31,517,594x = 67,898,348 × 67,898,348
4. Step 4: Simplify right side
   31,517,594x = 4,610,185,661,129,104
5. Step 5: Solve for x
   x = 4,610,185,661,129,104/31,517,594
6. Step 6: Final answer
   x = 146,273,400.85