Finding the Third Proportional to 11,560.50 and 15,761.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,560.50 : 15,761.25 = 15,761.25 : x
2. Step 2: Convert to fraction form
   11,560.50/15,761.25 = 15,761.25/x
3. Step 3: Cross multiply
   11,560.50x = 15,761.25 × 15,761.25
4. Step 4: Simplify right side
   11,560.50x = 248,417,001.56
5. Step 5: Solve for x
   x = 248,417,001.56/11,560.50
6. Step 6: Final answer
   x = 21,488.43