Finding the Third Proportional to 1,432.61 and 2,279.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.61 : 2,279.55 = 2,279.55 : x
2. Step 2: Convert to fraction form
   1,432.61/2,279.55 = 2,279.55/x
3. Step 3: Cross multiply
   1,432.61x = 2,279.55 × 2,279.55
4. Step 4: Simplify right side
   1,432.61x = 5,196,342.86
5. Step 5: Solve for x
   x = 5,196,342.86/1,432.61
6. Step 6: Final answer
   x = 3,627.19