Finding the Third Proportional to 1,088 and 2,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088 : 2,391.50 = 2,391.50 : x
2. Step 2: Convert to fraction form
   1,088/2,391.50 = 2,391.50/x
3. Step 3: Cross multiply
   1,088x = 2,391.50 × 2,391.50
4. Step 4: Simplify right side
   1,088x = 5,719,272.25
5. Step 5: Solve for x
   x = 5,719,272.25/1,088
6. Step 6: Final answer
   x = 5,256.68