Finding the Third Proportional to 62,790 and 89,265

Step by Step Solution

1. Step 1: Write the proportion equation
   62,790 : 89,265 = 89,265 : x
2. Step 2: Convert to fraction form
   62,790/89,265 = 89,265/x
3. Step 3: Cross multiply
   62,790x = 89,265 × 89,265
4. Step 4: Simplify right side
   62,790x = 7,968,240,225
5. Step 5: Solve for x
   x = 7,968,240,225/62,790
6. Step 6: Final answer
   x = 126,903.01