Finding the Third Proportional to 3,728,994 and 8,122,242

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,994 : 8,122,242 = 8,122,242 : x
2. Step 2: Convert to fraction form
   3,728,994/8,122,242 = 8,122,242/x
3. Step 3: Cross multiply
   3,728,994x = 8,122,242 × 8,122,242
4. Step 4: Simplify right side
   3,728,994x = 65,970,815,106,564
5. Step 5: Solve for x
   x = 65,970,815,106,564/3,728,994
6. Step 6: Final answer
   x = 17,691,317.04