Finding the Third Proportional to 2,385.56 and 5,124.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.56 : 5,124.38 = 5,124.38 : x
2. Step 2: Convert to fraction form
   2,385.56/5,124.38 = 5,124.38/x
3. Step 3: Cross multiply
   2,385.56x = 5,124.38 × 5,124.38
4. Step 4: Simplify right side
   2,385.56x = 26,259,219.14
5. Step 5: Solve for x
   x = 26,259,219.14/2,385.56
6. Step 6: Final answer
   x = 11,007.56