Finding the Third Proportional to 31,900,759 and 69,977,065

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900,759 : 69,977,065 = 69,977,065 : x
2. Step 2: Convert to fraction form
   31,900,759/69,977,065 = 69,977,065/x
3. Step 3: Cross multiply
   31,900,759x = 69,977,065 × 69,977,065
4. Step 4: Simplify right side
   31,900,759x = 4,896,789,626,014,225
5. Step 5: Solve for x
   x = 4,896,789,626,014,225/31,900,759
6. Step 6: Final answer
   x = 153,500,724.73