Finding the Third Proportional to 3,340,838 and 5,210,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340,838 : 5,210,912 = 5,210,912 : x
2. Step 2: Convert to fraction form
   3,340,838/5,210,912 = 5,210,912/x
3. Step 3: Cross multiply
   3,340,838x = 5,210,912 × 5,210,912
4. Step 4: Simplify right side
   3,340,838x = 27,153,603,871,744
5. Step 5: Solve for x
   x = 27,153,603,871,744/3,340,838
6. Step 6: Final answer
   x = 8,127,782.27