Finding the Third Proportional to 10,222.88 and 15,631.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,222.88 : 15,631.31 = 15,631.31 : x
2. Step 2: Convert to fraction form
   10,222.88/15,631.31 = 15,631.31/x
3. Step 3: Cross multiply
   10,222.88x = 15,631.31 × 15,631.31
4. Step 4: Simplify right side
   10,222.88x = 244,337,930.47
5. Step 5: Solve for x
   x = 244,337,930.47/10,222.88
6. Step 6: Final answer
   x = 23,901.10