Finding the Third Proportional to 62,518.50 and 89,339.63

Step by Step Solution

1. Step 1: Write the proportion equation
   62,518.50 : 89,339.63 = 89,339.63 : x
2. Step 2: Convert to fraction form
   62,518.50/89,339.63 = 89,339.63/x
3. Step 3: Cross multiply
   62,518.50x = 89,339.63 × 89,339.63
4. Step 4: Simplify right side
   62,518.50x = 7,981,568,595.14
5. Step 5: Solve for x
   x = 7,981,568,595.14/62,518.50
6. Step 6: Final answer
   x = 127,667.31