Finding the Third Proportional to 1,576.18 and 2,439.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.18 : 2,439.02 = 2,439.02 : x
2. Step 2: Convert to fraction form
   1,576.18/2,439.02 = 2,439.02/x
3. Step 3: Cross multiply
   1,576.18x = 2,439.02 × 2,439.02
4. Step 4: Simplify right side
   1,576.18x = 5,948,806.75
5. Step 5: Solve for x
   x = 5,948,806.75/1,576.18
6. Step 6: Final answer
   x = 3,774.20