Finding the Third Proportional to 3,806,820 and 8,240,904

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,820 : 8,240,904 = 8,240,904 : x
2. Step 2: Convert to fraction form
   3,806,820/8,240,904 = 8,240,904/x
3. Step 3: Cross multiply
   3,806,820x = 8,240,904 × 8,240,904
4. Step 4: Simplify right side
   3,806,820x = 67,912,498,737,216
5. Step 5: Solve for x
   x = 67,912,498,737,216/3,806,820
6. Step 6: Final answer
   x = 17,839,692.64