Finding the Third Proportional to 2,618,989 and 5,650,830

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,989 : 5,650,830 = 5,650,830 : x
2. Step 2: Convert to fraction form
   2,618,989/5,650,830 = 5,650,830/x
3. Step 3: Cross multiply
   2,618,989x = 5,650,830 × 5,650,830
4. Step 4: Simplify right side
   2,618,989x = 31,931,879,688,900
5. Step 5: Solve for x
   x = 31,931,879,688,900/2,618,989
6. Step 6: Final answer
   x = 12,192,445.13