Finding the Third Proportional to 702.98 and 1,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   702.98 : 1,520.72 = 1,520.72 : x
2. Step 2: Convert to fraction form
   702.98/1,520.72 = 1,520.72/x
3. Step 3: Cross multiply
   702.98x = 1,520.72 × 1,520.72
4. Step 4: Simplify right side
   702.98x = 2,312,585.52
5. Step 5: Solve for x
   x = 2,312,585.52/702.98
6. Step 6: Final answer
   x = 3,289.67