Finding the Third Proportional to 1,838,286 and 3,888,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,286 : 3,888,540 = 3,888,540 : x
2. Step 2: Convert to fraction form
   1,838,286/3,888,540 = 3,888,540/x
3. Step 3: Cross multiply
   1,838,286x = 3,888,540 × 3,888,540
4. Step 4: Simplify right side
   1,838,286x = 15,120,743,331,600
5. Step 5: Solve for x
   x = 15,120,743,331,600/1,838,286
6. Step 6: Final answer
   x = 8,225,457.48