Finding the Third Proportional to 1,861.10 and 2,725.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861.10 : 2,725.52 = 2,725.52 : x
2. Step 2: Convert to fraction form
   1,861.10/2,725.52 = 2,725.52/x
3. Step 3: Cross multiply
   1,861.10x = 2,725.52 × 2,725.52
4. Step 4: Simplify right side
   1,861.10x = 7,428,478.01
5. Step 5: Solve for x
   x = 7,428,478.01/1,861.10
6. Step 6: Final answer
   x = 3,991.44