Finding the Third Proportional to 43,147.69 and 56,216.53

Step by Step Solution

1. Step 1: Write the proportion equation
   43,147.69 : 56,216.53 = 56,216.53 : x
2. Step 2: Convert to fraction form
   43,147.69/56,216.53 = 56,216.53/x
3. Step 3: Cross multiply
   43,147.69x = 56,216.53 × 56,216.53
4. Step 4: Simplify right side
   43,147.69x = 3,160,298,385.78
5. Step 5: Solve for x
   x = 3,160,298,385.78/43,147.69
6. Step 6: Final answer
   x = 73,243.75