Finding the Third Proportional to 55,966.50 and 84,488.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,966.50 : 84,488.75 = 84,488.75 : x
2. Step 2: Convert to fraction form
   55,966.50/84,488.75 = 84,488.75/x
3. Step 3: Cross multiply
   55,966.50x = 84,488.75 × 84,488.75
4. Step 4: Simplify right side
   55,966.50x = 7,138,348,876.56
5. Step 5: Solve for x
   x = 7,138,348,876.56/55,966.50
6. Step 6: Final answer
   x = 127,546.82