Finding the Third Proportional to 855,988 and 1,807,472

Step by Step Solution

1. Step 1: Write the proportion equation
   855,988 : 1,807,472 = 1,807,472 : x
2. Step 2: Convert to fraction form
   855,988/1,807,472 = 1,807,472/x
3. Step 3: Cross multiply
   855,988x = 1,807,472 × 1,807,472
4. Step 4: Simplify right side
   855,988x = 3,266,955,030,784
5. Step 5: Solve for x
   x = 3,266,955,030,784/855,988
6. Step 6: Final answer
   x = 3,816,589.75