Finding the Third Proportional to 2,187,580 and 3,311,598

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,580 : 3,311,598 = 3,311,598 : x
2. Step 2: Convert to fraction form
   2,187,580/3,311,598 = 3,311,598/x
3. Step 3: Cross multiply
   2,187,580x = 3,311,598 × 3,311,598
4. Step 4: Simplify right side
   2,187,580x = 10,966,681,313,604
5. Step 5: Solve for x
   x = 10,966,681,313,604/2,187,580
6. Step 6: Final answer
   x = 5,013,156.69