Finding the Third Proportional to 1,836,659 and 4,288,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,659 : 4,288,910 = 4,288,910 : x
2. Step 2: Convert to fraction form
   1,836,659/4,288,910 = 4,288,910/x
3. Step 3: Cross multiply
   1,836,659x = 4,288,910 × 4,288,910
4. Step 4: Simplify right side
   1,836,659x = 18,394,748,988,100
5. Step 5: Solve for x
   x = 18,394,748,988,100/1,836,659
6. Step 6: Final answer
   x = 10,015,331.64