Finding the Third Proportional to 1,854,692 and 3,908,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,692 : 3,908,642 = 3,908,642 : x
2. Step 2: Convert to fraction form
   1,854,692/3,908,642 = 3,908,642/x
3. Step 3: Cross multiply
   1,854,692x = 3,908,642 × 3,908,642
4. Step 4: Simplify right side
   1,854,692x = 15,277,482,284,164
5. Step 5: Solve for x
   x = 15,277,482,284,164/1,854,692
6. Step 6: Final answer
   x = 8,237,207.19