Finding the Third Proportional to 1,861.31 and 2,714.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861.31 : 2,714.77 = 2,714.77 : x
2. Step 2: Convert to fraction form
   1,861.31/2,714.77 = 2,714.77/x
3. Step 3: Cross multiply
   1,861.31x = 2,714.77 × 2,714.77
4. Step 4: Simplify right side
   1,861.31x = 7,369,952.40
5. Step 5: Solve for x
   x = 7,369,952.40/1,861.31
6. Step 6: Final answer
   x = 3,959.55