Finding the Third Proportional to 1,080.42 and 1,630.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.42 : 1,630.55 = 1,630.55 : x
2. Step 2: Convert to fraction form
   1,080.42/1,630.55 = 1,630.55/x
3. Step 3: Cross multiply
   1,080.42x = 1,630.55 × 1,630.55
4. Step 4: Simplify right side
   1,080.42x = 2,658,683.11
5. Step 5: Solve for x
   x = 2,658,683.11/1,080.42
6. Step 6: Final answer
   x = 2,460.78