Finding the Third Proportional to 2,430,486 and 5,318,622

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,486 : 5,318,622 = 5,318,622 : x
2. Step 2: Convert to fraction form
   2,430,486/5,318,622 = 5,318,622/x
3. Step 3: Cross multiply
   2,430,486x = 5,318,622 × 5,318,622
4. Step 4: Simplify right side
   2,430,486x = 28,287,739,978,884
5. Step 5: Solve for x
   x = 28,287,739,978,884/2,430,486
6. Step 6: Final answer
   x = 11,638,717.52