Finding the Third Proportional to 31,473,162 and 67,729,293

Step by Step Solution

1. Step 1: Write the proportion equation
   31,473,162 : 67,729,293 = 67,729,293 : x
2. Step 2: Convert to fraction form
   31,473,162/67,729,293 = 67,729,293/x
3. Step 3: Cross multiply
   31,473,162x = 67,729,293 × 67,729,293
4. Step 4: Simplify right side
   31,473,162x = 4,587,257,130,279,849
5. Step 5: Solve for x
   x = 4,587,257,130,279,849/31,473,162
6. Step 6: Final answer
   x = 145,751,390.67