Finding the Third Proportional to 2,628,342 and 5,649,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,342 : 5,649,340 = 5,649,340 : x
2. Step 2: Convert to fraction form
   2,628,342/5,649,340 = 5,649,340/x
3. Step 3: Cross multiply
   2,628,342x = 5,649,340 × 5,649,340
4. Step 4: Simplify right side
   2,628,342x = 31,915,042,435,600
5. Step 5: Solve for x
   x = 31,915,042,435,600/2,628,342
6. Step 6: Final answer
   x = 12,142,652.07