Finding the Third Proportional to 62,486 and 89,291.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,486 : 89,291.75 = 89,291.75 : x
2. Step 2: Convert to fraction form
   62,486/89,291.75 = 89,291.75/x
3. Step 3: Cross multiply
   62,486x = 89,291.75 × 89,291.75
4. Step 4: Simplify right side
   62,486x = 7,973,016,618.06
5. Step 5: Solve for x
   x = 7,973,016,618.06/62,486
6. Step 6: Final answer
   x = 127,596.85