Finding the Third Proportional to 5,254,648 and 7,919,555

Step by Step Solution

1. Step 1: Write the proportion equation
   5,254,648 : 7,919,555 = 7,919,555 : x
2. Step 2: Convert to fraction form
   5,254,648/7,919,555 = 7,919,555/x
3. Step 3: Cross multiply
   5,254,648x = 7,919,555 × 7,919,555
4. Step 4: Simplify right side
   5,254,648x = 62,719,351,398,025
5. Step 5: Solve for x
   x = 62,719,351,398,025/5,254,648
6. Step 6: Final answer
   x = 11,935,975.81