Finding the Third Proportional to 10,011.50 and 14,421.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.50 : 14,421.25 = 14,421.25 : x
2. Step 2: Convert to fraction form
   10,011.50/14,421.25 = 14,421.25/x
3. Step 3: Cross multiply
   10,011.50x = 14,421.25 × 14,421.25
4. Step 4: Simplify right side
   10,011.50x = 207,972,451.56
5. Step 5: Solve for x
   x = 207,972,451.56/10,011.50
6. Step 6: Final answer
   x = 20,773.36