Finding the Third Proportional to 10,317.38 and 15,574.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,317.38 : 15,574.78 = 15,574.78 : x
2. Step 2: Convert to fraction form
   10,317.38/15,574.78 = 15,574.78/x
3. Step 3: Cross multiply
   10,317.38x = 15,574.78 × 15,574.78
4. Step 4: Simplify right side
   10,317.38x = 242,573,810.99
5. Step 5: Solve for x
   x = 242,573,810.99/10,317.38
6. Step 6: Final answer
   x = 23,511.19