Finding the Third Proportional to 31,103,626 and 67,867,208

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103,626 : 67,867,208 = 67,867,208 : x
2. Step 2: Convert to fraction form
   31,103,626/67,867,208 = 67,867,208/x
3. Step 3: Cross multiply
   31,103,626x = 67,867,208 × 67,867,208
4. Step 4: Simplify right side
   31,103,626x = 4,605,957,921,715,264
5. Step 5: Solve for x
   x = 4,605,957,921,715,264/31,103,626
6. Step 6: Final answer
   x = 148,084,275.50