Finding the Third Proportional to 3,914,222 and 5,512,115

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,222 : 5,512,115 = 5,512,115 : x
2. Step 2: Convert to fraction form
   3,914,222/5,512,115 = 5,512,115/x
3. Step 3: Cross multiply
   3,914,222x = 5,512,115 × 5,512,115
4. Step 4: Simplify right side
   3,914,222x = 30,383,411,773,225
5. Step 5: Solve for x
   x = 30,383,411,773,225/3,914,222
6. Step 6: Final answer
   x = 7,762,311.84