Finding the Third Proportional to 849,978 and 1,849,496

Step by Step Solution

1. Step 1: Write the proportion equation
   849,978 : 1,849,496 = 1,849,496 : x
2. Step 2: Convert to fraction form
   849,978/1,849,496 = 1,849,496/x
3. Step 3: Cross multiply
   849,978x = 1,849,496 × 1,849,496
4. Step 4: Simplify right side
   849,978x = 3,420,635,454,016
5. Step 5: Solve for x
   x = 3,420,635,454,016/849,978
6. Step 6: Final answer
   x = 4,024,381.17