Finding the Third Proportional to 838,970 and 1,817,908

Step by Step Solution

1. Step 1: Write the proportion equation
   838,970 : 1,817,908 = 1,817,908 : x
2. Step 2: Convert to fraction form
   838,970/1,817,908 = 1,817,908/x
3. Step 3: Cross multiply
   838,970x = 1,817,908 × 1,817,908
4. Step 4: Simplify right side
   838,970x = 3,304,789,496,464
5. Step 5: Solve for x
   x = 3,304,789,496,464/838,970
6. Step 6: Final answer
   x = 3,939,103.30