Finding the Third Proportional to 2,187,769 and 3,311,837

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,769 : 3,311,837 = 3,311,837 : x
2. Step 2: Convert to fraction form
   2,187,769/3,311,837 = 3,311,837/x
3. Step 3: Cross multiply
   2,187,769x = 3,311,837 × 3,311,837
4. Step 4: Simplify right side
   2,187,769x = 10,968,264,314,569
5. Step 5: Solve for x
   x = 10,968,264,314,569/2,187,769
6. Step 6: Final answer
   x = 5,013,447.18