Finding the Third Proportional to 1,243.48 and 1,868.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243.48 : 1,868.27 = 1,868.27 : x
2. Step 2: Convert to fraction form
   1,243.48/1,868.27 = 1,868.27/x
3. Step 3: Cross multiply
   1,243.48x = 1,868.27 × 1,868.27
4. Step 4: Simplify right side
   1,243.48x = 3,490,445.64
5. Step 5: Solve for x
   x = 3,490,445.64/1,243.48
6. Step 6: Final answer
   x = 2,807.01