Finding the Third Proportional to 31,788,362 and 68,658,582

Step by Step Solution

1. Step 1: Write the proportion equation
   31,788,362 : 68,658,582 = 68,658,582 : x
2. Step 2: Convert to fraction form
   31,788,362/68,658,582 = 68,658,582/x
3. Step 3: Cross multiply
   31,788,362x = 68,658,582 × 68,658,582
4. Step 4: Simplify right side
   31,788,362x = 4,714,000,882,250,724
5. Step 5: Solve for x
   x = 4,714,000,882,250,724/31,788,362
6. Step 6: Final answer
   x = 148,293,293.07