Finding the Third Proportional to 31,239,482 and 67,852,242

Step by Step Solution

1. Step 1: Write the proportion equation
   31,239,482 : 67,852,242 = 67,852,242 : x
2. Step 2: Convert to fraction form
   31,239,482/67,852,242 = 67,852,242/x
3. Step 3: Cross multiply
   31,239,482x = 67,852,242 × 67,852,242
4. Step 4: Simplify right side
   31,239,482x = 4,603,926,744,426,564
5. Step 5: Solve for x
   x = 4,603,926,744,426,564/31,239,482
6. Step 6: Final answer
   x = 147,375,258.80