Finding the Third Proportional to 1,123.88 and 2,402.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.88 : 2,402.44 = 2,402.44 : x
2. Step 2: Convert to fraction form
   1,123.88/2,402.44 = 2,402.44/x
3. Step 3: Cross multiply
   1,123.88x = 2,402.44 × 2,402.44
4. Step 4: Simplify right side
   1,123.88x = 5,771,705.94
5. Step 5: Solve for x
   x = 5,771,705.94/1,123.88
6. Step 6: Final answer
   x = 5,135.54