Finding the Third Proportional to 1,854,666 and 3,908,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,666 : 3,908,596 = 3,908,596 : x
2. Step 2: Convert to fraction form
   1,854,666/3,908,596 = 3,908,596/x
3. Step 3: Cross multiply
   1,854,666x = 3,908,596 × 3,908,596
4. Step 4: Simplify right side
   1,854,666x = 15,277,122,691,216
5. Step 5: Solve for x
   x = 15,277,122,691,216/1,854,666
6. Step 6: Final answer
   x = 8,237,128.78