Finding the Third Proportional to 2,425,213 and 5,280,992

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425,213 : 5,280,992 = 5,280,992 : x
2. Step 2: Convert to fraction form
   2,425,213/5,280,992 = 5,280,992/x
3. Step 3: Cross multiply
   2,425,213x = 5,280,992 × 5,280,992
4. Step 4: Simplify right side
   2,425,213x = 27,888,876,504,064
5. Step 5: Solve for x
   x = 27,888,876,504,064/2,425,213
6. Step 6: Final answer
   x = 11,499,557.57