Finding the Third Proportional to 1,454.13 and 3,155.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.13 : 3,155.88 = 3,155.88 : x
2. Step 2: Convert to fraction form
   1,454.13/3,155.88 = 3,155.88/x
3. Step 3: Cross multiply
   1,454.13x = 3,155.88 × 3,155.88
4. Step 4: Simplify right side
   1,454.13x = 9,959,547.02
5. Step 5: Solve for x
   x = 9,959,547.02/1,454.13
6. Step 6: Final answer
   x = 6,849.17