Finding the Third Proportional to 1,131.19 and 1,715.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.19 : 1,715.06 = 1,715.06 : x
2. Step 2: Convert to fraction form
   1,131.19/1,715.06 = 1,715.06/x
3. Step 3: Cross multiply
   1,131.19x = 1,715.06 × 1,715.06
4. Step 4: Simplify right side
   1,131.19x = 2,941,439.38
5. Step 5: Solve for x
   x = 2,941,439.38/1,131.19
6. Step 6: Final answer
   x = 2,600.31