Finding the Third Proportional to 1,854,499 and 3,908,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,499 : 3,908,258 = 3,908,258 : x
2. Step 2: Convert to fraction form
   1,854,499/3,908,258 = 3,908,258/x
3. Step 3: Cross multiply
   1,854,499x = 3,908,258 × 3,908,258
4. Step 4: Simplify right side
   1,854,499x = 15,274,480,594,564
5. Step 5: Solve for x
   x = 15,274,480,594,564/1,854,499
6. Step 6: Final answer
   x = 8,236,445.85