Finding the Third Proportional to 9,451 and 13,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451 : 13,915.50 = 13,915.50 : x
2. Step 2: Convert to fraction form
   9,451/13,915.50 = 13,915.50/x
3. Step 3: Cross multiply
   9,451x = 13,915.50 × 13,915.50
4. Step 4: Simplify right side
   9,451x = 193,641,140.25
5. Step 5: Solve for x
   x = 193,641,140.25/9,451
6. Step 6: Final answer
   x = 20,488.96