Finding the Third Proportional to 4,286,790 and 9,163,104

Step by Step Solution

1. Step 1: Write the proportion equation
   4,286,790 : 9,163,104 = 9,163,104 : x
2. Step 2: Convert to fraction form
   4,286,790/9,163,104 = 9,163,104/x
3. Step 3: Cross multiply
   4,286,790x = 9,163,104 × 9,163,104
4. Step 4: Simplify right side
   4,286,790x = 83,962,474,914,816
5. Step 5: Solve for x
   x = 83,962,474,914,816/4,286,790
6. Step 6: Final answer
   x = 19,586,327.98