Finding the Third Proportional to 56,403.53 and 84,617.39

Step by Step Solution

1. Step 1: Write the proportion equation
   56,403.53 : 84,617.39 = 84,617.39 : x
2. Step 2: Convert to fraction form
   56,403.53/84,617.39 = 84,617.39/x
3. Step 3: Cross multiply
   56,403.53x = 84,617.39 × 84,617.39
4. Step 4: Simplify right side
   56,403.53x = 7,160,103,291.99
5. Step 5: Solve for x
   x = 7,160,103,291.99/56,403.53
6. Step 6: Final answer
   x = 126,944.25