Finding the Third Proportional to 1,726.88 and 2,666.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.88 : 2,666.81 = 2,666.81 : x
2. Step 2: Convert to fraction form
   1,726.88/2,666.81 = 2,666.81/x
3. Step 3: Cross multiply
   1,726.88x = 2,666.81 × 2,666.81
4. Step 4: Simplify right side
   1,726.88x = 7,111,888.91
5. Step 5: Solve for x
   x = 7,111,888.91/1,726.88
6. Step 6: Final answer
   x = 4,118.36