Finding the Third Proportional to 1,121,509 and 2,467,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,509 : 2,467,306 = 2,467,306 : x
2. Step 2: Convert to fraction form
   1,121,509/2,467,306 = 2,467,306/x
3. Step 3: Cross multiply
   1,121,509x = 2,467,306 × 2,467,306
4. Step 4: Simplify right side
   1,121,509x = 6,087,598,897,636
5. Step 5: Solve for x
   x = 6,087,598,897,636/1,121,509
6. Step 6: Final answer
   x = 5,428,042.84