Finding the Third Proportional to 3,914,218 and 5,512,109

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,218 : 5,512,109 = 5,512,109 : x
2. Step 2: Convert to fraction form
   3,914,218/5,512,109 = 5,512,109/x
3. Step 3: Cross multiply
   3,914,218x = 5,512,109 × 5,512,109
4. Step 4: Simplify right side
   3,914,218x = 30,383,345,627,881
5. Step 5: Solve for x
   x = 30,383,345,627,881/3,914,218
6. Step 6: Final answer
   x = 7,762,302.87