Finding the Third Proportional to 838,948 and 1,817,864

Step by Step Solution

1. Step 1: Write the proportion equation
   838,948 : 1,817,864 = 1,817,864 : x
2. Step 2: Convert to fraction form
   838,948/1,817,864 = 1,817,864/x
3. Step 3: Cross multiply
   838,948x = 1,817,864 × 1,817,864
4. Step 4: Simplify right side
   838,948x = 3,304,629,522,496
5. Step 5: Solve for x
   x = 3,304,629,522,496/838,948
6. Step 6: Final answer
   x = 3,939,015.91