Finding the Third Proportional to 56,143.13 and 84,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,143.13 : 84,442.50 = 84,442.50 : x
2. Step 2: Convert to fraction form
   56,143.13/84,442.50 = 84,442.50/x
3. Step 3: Cross multiply
   56,143.13x = 84,442.50 × 84,442.50
4. Step 4: Simplify right side
   56,143.13x = 7,130,535,806.25
5. Step 5: Solve for x
   x = 7,130,535,806.25/56,143.13
6. Step 6: Final answer
   x = 127,006.39