Finding the Third Proportional to 3,914,220 and 5,512,112

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,220 : 5,512,112 = 5,512,112 : x
2. Step 2: Convert to fraction form
   3,914,220/5,512,112 = 5,512,112/x
3. Step 3: Cross multiply
   3,914,220x = 5,512,112 × 5,512,112
4. Step 4: Simplify right side
   3,914,220x = 30,383,378,700,544
5. Step 5: Solve for x
   x = 30,383,378,700,544/3,914,220
6. Step 6: Final answer
   x = 7,762,307.36