Finding the Third Proportional to 31,773,216 and 68,584,416

Step by Step Solution

1. Step 1: Write the proportion equation
   31,773,216 : 68,584,416 = 68,584,416 : x
2. Step 2: Convert to fraction form
   31,773,216/68,584,416 = 68,584,416/x
3. Step 3: Cross multiply
   31,773,216x = 68,584,416 × 68,584,416
4. Step 4: Simplify right side
   31,773,216x = 4,703,822,118,061,056
5. Step 5: Solve for x
   x = 4,703,822,118,061,056/31,773,216
6. Step 6: Final answer
   x = 148,043,626.37