Finding the Third Proportional to 2,659,845 and 4,212,447

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,845 : 4,212,447 = 4,212,447 : x
2. Step 2: Convert to fraction form
   2,659,845/4,212,447 = 4,212,447/x
3. Step 3: Cross multiply
   2,659,845x = 4,212,447 × 4,212,447
4. Step 4: Simplify right side
   2,659,845x = 17,744,709,727,809
5. Step 5: Solve for x
   x = 17,744,709,727,809/2,659,845
6. Step 6: Final answer
   x = 6,671,332.25