Finding the Third Proportional to 31,800,132 and 68,635,656

Step by Step Solution

1. Step 1: Write the proportion equation
   31,800,132 : 68,635,656 = 68,635,656 : x
2. Step 2: Convert to fraction form
   31,800,132/68,635,656 = 68,635,656/x
3. Step 3: Cross multiply
   31,800,132x = 68,635,656 × 68,635,656
4. Step 4: Simplify right side
   31,800,132x = 4,710,853,274,550,336
5. Step 5: Solve for x
   x = 4,710,853,274,550,336/31,800,132
6. Step 6: Final answer
   x = 148,139,425.16