Finding the Third Proportional to 7,315.31 and 10,454.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.31 : 10,454.06 = 10,454.06 : x
2. Step 2: Convert to fraction form
   7,315.31/10,454.06 = 10,454.06/x
3. Step 3: Cross multiply
   7,315.31x = 10,454.06 × 10,454.06
4. Step 4: Simplify right side
   7,315.31x = 109,287,422.75
5. Step 5: Solve for x
   x = 109,287,422.75/7,315.31
6. Step 6: Final answer
   x = 14,939.54