Finding the Third Proportional to 5,591,630 and 12,229,942

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591,630 : 12,229,942 = 12,229,942 : x
2. Step 2: Convert to fraction form
   5,591,630/12,229,942 = 12,229,942/x
3. Step 3: Cross multiply
   5,591,630x = 12,229,942 × 12,229,942
4. Step 4: Simplify right side
   5,591,630x = 149,571,481,323,364
5. Step 5: Solve for x
   x = 149,571,481,323,364/5,591,630
6. Step 6: Final answer
   x = 26,749,173.55