Finding the Third Proportional to 10,425 and 14,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425 : 14,710.50 = 14,710.50 : x
2. Step 2: Convert to fraction form
   10,425/14,710.50 = 14,710.50/x
3. Step 3: Cross multiply
   10,425x = 14,710.50 × 14,710.50
4. Step 4: Simplify right side
   10,425x = 216,398,810.25
5. Step 5: Solve for x
   x = 216,398,810.25/10,425
6. Step 6: Final answer
   x = 20,757.68