Finding the Third Proportional to 2,187,840 and 3,311,946

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,840 : 3,311,946 = 3,311,946 : x
2. Step 2: Convert to fraction form
   2,187,840/3,311,946 = 3,311,946/x
3. Step 3: Cross multiply
   2,187,840x = 3,311,946 × 3,311,946
4. Step 4: Simplify right side
   2,187,840x = 10,968,986,306,916
5. Step 5: Solve for x
   x = 10,968,986,306,916/2,187,840
6. Step 6: Final answer
   x = 5,013,614.48