Finding the Third Proportional to 5,218,549 and 7,900,001

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,549 : 7,900,001 = 7,900,001 : x
2. Step 2: Convert to fraction form
   5,218,549/7,900,001 = 7,900,001/x
3. Step 3: Cross multiply
   5,218,549x = 7,900,001 × 7,900,001
4. Step 4: Simplify right side
   5,218,549x = 62,410,015,800,001
5. Step 5: Solve for x
   x = 62,410,015,800,001/5,218,549
6. Step 6: Final answer
   x = 11,959,266.03