Finding the Third Proportional to 1,120.08 and 1,710.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120.08 : 1,710.28 = 1,710.28 : x
2. Step 2: Convert to fraction form
   1,120.08/1,710.28 = 1,710.28/x
3. Step 3: Cross multiply
   1,120.08x = 1,710.28 × 1,710.28
4. Step 4: Simplify right side
   1,120.08x = 2,925,061.95
5. Step 5: Solve for x
   x = 2,925,061.95/1,120.08
6. Step 6: Final answer
   x = 2,611.48