Finding the Third Proportional to 1,123.88 and 2,407.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.88 : 2,407.22 = 2,407.22 : x
2. Step 2: Convert to fraction form
   1,123.88/2,407.22 = 2,407.22/x
3. Step 3: Cross multiply
   1,123.88x = 2,407.22 × 2,407.22
4. Step 4: Simplify right side
   1,123.88x = 5,794,702.11
5. Step 5: Solve for x
   x = 5,794,702.11/1,123.88
6. Step 6: Final answer
   x = 5,156.00