Finding the Third Proportional to 1,432.69 and 3,385.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.69 : 3,385.55 = 3,385.55 : x
2. Step 2: Convert to fraction form
   1,432.69/3,385.55 = 3,385.55/x
3. Step 3: Cross multiply
   1,432.69x = 3,385.55 × 3,385.55
4. Step 4: Simplify right side
   1,432.69x = 11,461,927.64
5. Step 5: Solve for x
   x = 11,461,927.64/1,432.69
6. Step 6: Final answer
   x = 8,000.30