Finding the Third Proportional to 57,793.50 and 84,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,793.50 : 84,690.56 = 84,690.56 : x
2. Step 2: Convert to fraction form
   57,793.50/84,690.56 = 84,690.56/x
3. Step 3: Cross multiply
   57,793.50x = 84,690.56 × 84,690.56
4. Step 4: Simplify right side
   57,793.50x = 7,172,491,376.57
5. Step 5: Solve for x
   x = 7,172,491,376.57/57,793.50
6. Step 6: Final answer
   x = 124,105.50