Finding the Third Proportional to 43,276.78 and 68,469.47

Step by Step Solution

1. Step 1: Write the proportion equation
   43,276.78 : 68,469.47 = 68,469.47 : x
2. Step 2: Convert to fraction form
   43,276.78/68,469.47 = 68,469.47/x
3. Step 3: Cross multiply
   43,276.78x = 68,469.47 × 68,469.47
4. Step 4: Simplify right side
   43,276.78x = 4,688,068,150.91
5. Step 5: Solve for x
   x = 4,688,068,150.91/43,276.78
6. Step 6: Final answer
   x = 108,327.56