Finding the Third Proportional to 709,834 and 1,548,128

Step by Step Solution

1. Step 1: Write the proportion equation
   709,834 : 1,548,128 = 1,548,128 : x
2. Step 2: Convert to fraction form
   709,834/1,548,128 = 1,548,128/x
3. Step 3: Cross multiply
   709,834x = 1,548,128 × 1,548,128
4. Step 4: Simplify right side
   709,834x = 2,396,700,304,384
5. Step 5: Solve for x
   x = 2,396,700,304,384/709,834
6. Step 6: Final answer
   x = 3,376,423.65