Finding the Third Proportional to 2,620.88 and 3,726.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.88 : 3,726.31 = 3,726.31 : x
2. Step 2: Convert to fraction form
   2,620.88/3,726.31 = 3,726.31/x
3. Step 3: Cross multiply
   2,620.88x = 3,726.31 × 3,726.31
4. Step 4: Simplify right side
   2,620.88x = 13,885,404.85
5. Step 5: Solve for x
   x = 13,885,404.85/2,620.88
6. Step 6: Final answer
   x = 5,298.00