Finding the Third Proportional to 3,393,462 and 7,272,690

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,462 : 7,272,690 = 7,272,690 : x
2. Step 2: Convert to fraction form
   3,393,462/7,272,690 = 7,272,690/x
3. Step 3: Cross multiply
   3,393,462x = 7,272,690 × 7,272,690
4. Step 4: Simplify right side
   3,393,462x = 52,892,019,836,100
5. Step 5: Solve for x
   x = 52,892,019,836,100/3,393,462
6. Step 6: Final answer
   x = 15,586,448.25