Finding the Third Proportional to 1,458.56 and 2,319.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.56 : 2,319.05 = 2,319.05 : x
2. Step 2: Convert to fraction form
   1,458.56/2,319.05 = 2,319.05/x
3. Step 3: Cross multiply
   1,458.56x = 2,319.05 × 2,319.05
4. Step 4: Simplify right side
   1,458.56x = 5,377,978.41
5. Step 5: Solve for x
   x = 5,377,978.41/1,458.56
6. Step 6: Final answer
   x = 3,687.18