Finding the Third Proportional to 31,513,458 and 68,548,362

Step by Step Solution

1. Step 1: Write the proportion equation
   31,513,458 : 68,548,362 = 68,548,362 : x
2. Step 2: Convert to fraction form
   31,513,458/68,548,362 = 68,548,362/x
3. Step 3: Cross multiply
   31,513,458x = 68,548,362 × 68,548,362
4. Step 4: Simplify right side
   31,513,458x = 4,698,877,932,883,044
5. Step 5: Solve for x
   x = 4,698,877,932,883,044/31,513,458
6. Step 6: Final answer
   x = 149,107,023.83