Finding the Third Proportional to 1,123.88 and 2,636.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.88 : 2,636.30 = 2,636.30 : x
2. Step 2: Convert to fraction form
   1,123.88/2,636.30 = 2,636.30/x
3. Step 3: Cross multiply
   1,123.88x = 2,636.30 × 2,636.30
4. Step 4: Simplify right side
   1,123.88x = 6,950,061.21
5. Step 5: Solve for x
   x = 6,950,061.21/1,123.88
6. Step 6: Final answer
   x = 6,184.02