Finding the Third Proportional to 5,591,306 and 12,229,456

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591,306 : 12,229,456 = 12,229,456 : x
2. Step 2: Convert to fraction form
   5,591,306/12,229,456 = 12,229,456/x
3. Step 3: Cross multiply
   5,591,306x = 12,229,456 × 12,229,456
4. Step 4: Simplify right side
   5,591,306x = 149,559,594,055,936
5. Step 5: Solve for x
   x = 149,559,594,055,936/5,591,306
6. Step 6: Final answer
   x = 26,748,597.56