Finding the Third Proportional to 31,465,804 and 68,469,080

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,804 : 68,469,080 = 68,469,080 : x
2. Step 2: Convert to fraction form
   31,465,804/68,469,080 = 68,469,080/x
3. Step 3: Cross multiply
   31,465,804x = 68,469,080 × 68,469,080
4. Step 4: Simplify right side
   31,465,804x = 4,688,014,916,046,400
5. Step 5: Solve for x
   x = 4,688,014,916,046,400/31,465,804
6. Step 6: Final answer
   x = 148,987,609.41