Finding the Third Proportional to 665,427 and 1,442,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   665,427 : 1,442,956.50 = 1,442,956.50 : x
2. Step 2: Convert to fraction form
   665,427/1,442,956.50 = 1,442,956.50/x
3. Step 3: Cross multiply
   665,427x = 1,442,956.50 × 1,442,956.50
4. Step 4: Simplify right side
   665,427x = 2,082,123,460,892.25
5. Step 5: Solve for x
   x = 2,082,123,460,892.25/665,427
6. Step 6: Final answer
   x = 3,129,003.57