Finding the Third Proportional to 839,432 and 1,335,005

Step by Step Solution

1. Step 1: Write the proportion equation
   839,432 : 1,335,005 = 1,335,005 : x
2. Step 2: Convert to fraction form
   839,432/1,335,005 = 1,335,005/x
3. Step 3: Cross multiply
   839,432x = 1,335,005 × 1,335,005
4. Step 4: Simplify right side
   839,432x = 1,782,238,350,025
5. Step 5: Solve for x
   x = 1,782,238,350,025/839,432
6. Step 6: Final answer
   x = 2,123,147.97