Finding the Third Proportional to 8,877.50 and 19,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,877.50 : 19,425.25 = 19,425.25 : x
2. Step 2: Convert to fraction form
   8,877.50/19,425.25 = 19,425.25/x
3. Step 3: Cross multiply
   8,877.50x = 19,425.25 × 19,425.25
4. Step 4: Simplify right side
   8,877.50x = 377,340,337.56
5. Step 5: Solve for x
   x = 377,340,337.56/8,877.50
6. Step 6: Final answer
   x = 42,505.25