Finding the Third Proportional to 5,218,494 and 7,962,717

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,494 : 7,962,717 = 7,962,717 : x
2. Step 2: Convert to fraction form
   5,218,494/7,962,717 = 7,962,717/x
3. Step 3: Cross multiply
   5,218,494x = 7,962,717 × 7,962,717
4. Step 4: Simplify right side
   5,218,494x = 63,404,862,022,089
5. Step 5: Solve for x
   x = 63,404,862,022,089/5,218,494
6. Step 6: Final answer
   x = 12,150,030.65