Finding the Third Proportional to 3,669,218 and 7,782,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,218 : 7,782,398 = 7,782,398 : x
2. Step 2: Convert to fraction form
   3,669,218/7,782,398 = 7,782,398/x
3. Step 3: Cross multiply
   3,669,218x = 7,782,398 × 7,782,398
4. Step 4: Simplify right side
   3,669,218x = 60,565,718,630,404
5. Step 5: Solve for x
   x = 60,565,718,630,404/3,669,218
6. Step 6: Final answer
   x = 16,506,437.78