Finding the Third Proportional to 2,628,340 and 5,649,336

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,340 : 5,649,336 = 5,649,336 : x
2. Step 2: Convert to fraction form
   2,628,340/5,649,336 = 5,649,336/x
3. Step 3: Cross multiply
   2,628,340x = 5,649,336 × 5,649,336
4. Step 4: Simplify right side
   2,628,340x = 31,914,997,240,896
5. Step 5: Solve for x
   x = 31,914,997,240,896/2,628,340
6. Step 6: Final answer
   x = 12,142,644.12