Finding the Third Proportional to 2,425,212 and 5,280,991

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425,212 : 5,280,991 = 5,280,991 : x
2. Step 2: Convert to fraction form
   2,425,212/5,280,991 = 5,280,991/x
3. Step 3: Cross multiply
   2,425,212x = 5,280,991 × 5,280,991
4. Step 4: Simplify right side
   2,425,212x = 27,888,865,942,081
5. Step 5: Solve for x
   x = 27,888,865,942,081/2,425,212
6. Step 6: Final answer
   x = 11,499,557.95