Finding the Third Proportional to 1,311.61 and 2,834.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311.61 : 2,834.72 = 2,834.72 : x
2. Step 2: Convert to fraction form
   1,311.61/2,834.72 = 2,834.72/x
3. Step 3: Cross multiply
   1,311.61x = 2,834.72 × 2,834.72
4. Step 4: Simplify right side
   1,311.61x = 8,035,630.39
5. Step 5: Solve for x
   x = 8,035,630.39/1,311.61
6. Step 6: Final answer
   x = 6,126.54