Finding the Third Proportional to 62,486.50 and 89,292.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,486.50 : 89,292.50 = 89,292.50 : x
2. Step 2: Convert to fraction form
   62,486.50/89,292.50 = 89,292.50/x
3. Step 3: Cross multiply
   62,486.50x = 89,292.50 × 89,292.50
4. Step 4: Simplify right side
   62,486.50x = 7,973,150,556.25
5. Step 5: Solve for x
   x = 7,973,150,556.25/62,486.50
6. Step 6: Final answer
   x = 127,597.97