Finding the Third Proportional to 5,052,815 and 7,766,621

Step by Step Solution

1. Step 1: Write the proportion equation
   5,052,815 : 7,766,621 = 7,766,621 : x
2. Step 2: Convert to fraction form
   5,052,815/7,766,621 = 7,766,621/x
3. Step 3: Cross multiply
   5,052,815x = 7,766,621 × 7,766,621
4. Step 4: Simplify right side
   5,052,815x = 60,320,401,757,641
5. Step 5: Solve for x
   x = 60,320,401,757,641/5,052,815
6. Step 6: Final answer
   x = 11,937,979.47