Finding the Third Proportional to 1,350.84 and 3,142.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.84 : 3,142.55 = 3,142.55 : x
2. Step 2: Convert to fraction form
   1,350.84/3,142.55 = 3,142.55/x
3. Step 3: Cross multiply
   1,350.84x = 3,142.55 × 3,142.55
4. Step 4: Simplify right side
   1,350.84x = 9,875,600.86
5. Step 5: Solve for x
   x = 9,875,600.86/1,350.84
6. Step 6: Final answer
   x = 7,310.69