Finding the Third Proportional to 31,522,356 and 68,425,258

Step by Step Solution

1. Step 1: Write the proportion equation
   31,522,356 : 68,425,258 = 68,425,258 : x
2. Step 2: Convert to fraction form
   31,522,356/68,425,258 = 68,425,258/x
3. Step 3: Cross multiply
   31,522,356x = 68,425,258 × 68,425,258
4. Step 4: Simplify right side
   31,522,356x = 4,682,015,932,366,564
5. Step 5: Solve for x
   x = 4,682,015,932,366,564/31,522,356
6. Step 6: Final answer
   x = 148,530,012.55