Finding the Third Proportional to 1,123,840 and 1,779,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,840 : 1,779,072 = 1,779,072 : x
2. Step 2: Convert to fraction form
   1,123,840/1,779,072 = 1,779,072/x
3. Step 3: Cross multiply
   1,123,840x = 1,779,072 × 1,779,072
4. Step 4: Simplify right side
   1,123,840x = 3,165,097,181,184
5. Step 5: Solve for x
   x = 3,165,097,181,184/1,123,840
6. Step 6: Final answer
   x = 2,816,323.66