Finding the Third Proportional to 63,432 and 89,100

Step by Step Solution

1. Step 1: Write the proportion equation
   63,432 : 89,100 = 89,100 : x
2. Step 2: Convert to fraction form
   63,432/89,100 = 89,100/x
3. Step 3: Cross multiply
   63,432x = 89,100 × 89,100
4. Step 4: Simplify right side
   63,432x = 7,938,810,000
5. Step 5: Solve for x
   x = 7,938,810,000/63,432
6. Step 6: Final answer
   x = 125,154.65