Finding the Third Proportional to 3,669,212 and 7,782,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,212 : 7,782,386 = 7,782,386 : x
2. Step 2: Convert to fraction form
   3,669,212/7,782,386 = 7,782,386/x
3. Step 3: Cross multiply
   3,669,212x = 7,782,386 × 7,782,386
4. Step 4: Simplify right side
   3,669,212x = 60,565,531,852,996
5. Step 5: Solve for x
   x = 60,565,531,852,996/3,669,212
6. Step 6: Final answer
   x = 16,506,413.87