Finding the Third Proportional to 28,591.50 and 63,000

Step by Step Solution

1. Step 1: Write the proportion equation
   28,591.50 : 63,000 = 63,000 : x
2. Step 2: Convert to fraction form
   28,591.50/63,000 = 63,000/x
3. Step 3: Cross multiply
   28,591.50x = 63,000 × 63,000
4. Step 4: Simplify right side
   28,591.50x = 3,969,000,000
5. Step 5: Solve for x
   x = 3,969,000,000/28,591.50
6. Step 6: Final answer
   x = 138,817.48