Finding the Third Proportional to 1,800,674 and 3,900,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,674 : 3,900,292 = 3,900,292 : x
2. Step 2: Convert to fraction form
   1,800,674/3,900,292 = 3,900,292/x
3. Step 3: Cross multiply
   1,800,674x = 3,900,292 × 3,900,292
4. Step 4: Simplify right side
   1,800,674x = 15,212,277,685,264
5. Step 5: Solve for x
   x = 15,212,277,685,264/1,800,674
6. Step 6: Final answer
   x = 8,448,102.04