Finding the Third Proportional to 1,284,644 and 2,798,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,644 : 2,798,072 = 2,798,072 : x
2. Step 2: Convert to fraction form
   1,284,644/2,798,072 = 2,798,072/x
3. Step 3: Cross multiply
   1,284,644x = 2,798,072 × 2,798,072
4. Step 4: Simplify right side
   1,284,644x = 7,829,206,917,184
5. Step 5: Solve for x
   x = 7,829,206,917,184/1,284,644
6. Step 6: Final answer
   x = 6,094,456.45