Finding the Third Proportional to 3,551,608 and 7,670,711

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551,608 : 7,670,711 = 7,670,711 : x
2. Step 2: Convert to fraction form
   3,551,608/7,670,711 = 7,670,711/x
3. Step 3: Cross multiply
   3,551,608x = 7,670,711 × 7,670,711
4. Step 4: Simplify right side
   3,551,608x = 58,839,807,245,521
5. Step 5: Solve for x
   x = 58,839,807,245,521/3,551,608
6. Step 6: Final answer
   x = 16,567,089.40