Finding the Third Proportional to 62,480.74 and 89,283.20

Step by Step Solution

1. Step 1: Write the proportion equation
   62,480.74 : 89,283.20 = 89,283.20 : x
2. Step 2: Convert to fraction form
   62,480.74/89,283.20 = 89,283.20/x
3. Step 3: Cross multiply
   62,480.74x = 89,283.20 × 89,283.20
4. Step 4: Simplify right side
   62,480.74x = 7,971,489,662.74
5. Step 5: Solve for x
   x = 7,971,489,662.74/62,480.74
6. Step 6: Final answer
   x = 127,583.15