Finding the Third Proportional to 3,669,217 and 7,782,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,217 : 7,782,396 = 7,782,396 : x
2. Step 2: Convert to fraction form
   3,669,217/7,782,396 = 7,782,396/x
3. Step 3: Cross multiply
   3,669,217x = 7,782,396 × 7,782,396
4. Step 4: Simplify right side
   3,669,217x = 60,565,687,500,816
5. Step 5: Solve for x
   x = 60,565,687,500,816/3,669,217
6. Step 6: Final answer
   x = 16,506,433.80