Finding the Third Proportional to 1,179,810 and 1,779,381

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,810 : 1,779,381 = 1,779,381 : x
2. Step 2: Convert to fraction form
   1,179,810/1,779,381 = 1,779,381/x
3. Step 3: Cross multiply
   1,179,810x = 1,779,381 × 1,779,381
4. Step 4: Simplify right side
   1,179,810x = 3,166,196,743,161
5. Step 5: Solve for x
   x = 3,166,196,743,161/1,179,810
6. Step 6: Final answer
   x = 2,683,649.69