Finding the Third Proportional to 6,490.13 and 13,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,490.13 : 13,147.31 = 13,147.31 : x
2. Step 2: Convert to fraction form
   6,490.13/13,147.31 = 13,147.31/x
3. Step 3: Cross multiply
   6,490.13x = 13,147.31 × 13,147.31
4. Step 4: Simplify right side
   6,490.13x = 172,851,825.97
5. Step 5: Solve for x
   x = 172,851,825.97/6,490.13
6. Step 6: Final answer
   x = 26,633.05