Finding the Third Proportional to 62,486.25 and 89,292.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,486.25 : 89,292.75 = 89,292.75 : x
2. Step 2: Convert to fraction form
   62,486.25/89,292.75 = 89,292.75/x
3. Step 3: Cross multiply
   62,486.25x = 89,292.75 × 89,292.75
4. Step 4: Simplify right side
   62,486.25x = 7,973,195,202.56
5. Step 5: Solve for x
   x = 7,973,195,202.56/62,486.25
6. Step 6: Final answer
   x = 127,599.20