Finding the Third Proportional to 62,260 and 89,500

Step by Step Solution

1. Step 1: Write the proportion equation
   62,260 : 89,500 = 89,500 : x
2. Step 2: Convert to fraction form
   62,260/89,500 = 89,500/x
3. Step 3: Cross multiply
   62,260x = 89,500 × 89,500
4. Step 4: Simplify right side
   62,260x = 8,010,250,000
5. Step 5: Solve for x
   x = 8,010,250,000/62,260
6. Step 6: Final answer
   x = 128,658.05