Finding the Third Proportional to 1,179,684 and 1,779,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,684 : 1,779,192 = 1,779,192 : x
2. Step 2: Convert to fraction form
   1,179,684/1,779,192 = 1,779,192/x
3. Step 3: Cross multiply
   1,179,684x = 1,779,192 × 1,779,192
4. Step 4: Simplify right side
   1,179,684x = 3,165,524,172,864
5. Step 5: Solve for x
   x = 3,165,524,172,864/1,179,684
6. Step 6: Final answer
   x = 2,683,366.20