Finding the Third Proportional to 1,221,065 and 2,659,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,065 : 2,659,072 = 2,659,072 : x
2. Step 2: Convert to fraction form
   1,221,065/2,659,072 = 2,659,072/x
3. Step 3: Cross multiply
   1,221,065x = 2,659,072 × 2,659,072
4. Step 4: Simplify right side
   1,221,065x = 7,070,663,901,184
5. Step 5: Solve for x
   x = 7,070,663,901,184/1,221,065
6. Step 6: Final answer
   x = 5,790,571.26