Finding the Third Proportional to 2,538,340 and 5,539,698

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,340 : 5,539,698 = 5,539,698 : x
2. Step 2: Convert to fraction form
   2,538,340/5,539,698 = 5,539,698/x
3. Step 3: Cross multiply
   2,538,340x = 5,539,698 × 5,539,698
4. Step 4: Simplify right side
   2,538,340x = 30,688,253,931,204
5. Step 5: Solve for x
   x = 30,688,253,931,204/2,538,340
6. Step 6: Final answer
   x = 12,089,891.00