Finding the Third Proportional to 31,239,480 and 67,852,238

Step by Step Solution

1. Step 1: Write the proportion equation
   31,239,480 : 67,852,238 = 67,852,238 : x
2. Step 2: Convert to fraction form
   31,239,480/67,852,238 = 67,852,238/x
3. Step 3: Cross multiply
   31,239,480x = 67,852,238 × 67,852,238
4. Step 4: Simplify right side
   31,239,480x = 4,603,926,201,608,644
5. Step 5: Solve for x
   x = 4,603,926,201,608,644/31,239,480
6. Step 6: Final answer
   x = 147,375,250.86