Finding the Third Proportional to 665,342 and 1,439,932

Step by Step Solution

1. Step 1: Write the proportion equation
   665,342 : 1,439,932 = 1,439,932 : x
2. Step 2: Convert to fraction form
   665,342/1,439,932 = 1,439,932/x
3. Step 3: Cross multiply
   665,342x = 1,439,932 × 1,439,932
4. Step 4: Simplify right side
   665,342x = 2,073,404,164,624
5. Step 5: Solve for x
   x = 2,073,404,164,624/665,342
6. Step 6: Final answer
   x = 3,116,298.33