Finding the Third Proportional to 1,786,521 and 3,894,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,521 : 3,894,258 = 3,894,258 : x
2. Step 2: Convert to fraction form
   1,786,521/3,894,258 = 3,894,258/x
3. Step 3: Cross multiply
   1,786,521x = 3,894,258 × 3,894,258
4. Step 4: Simplify right side
   1,786,521x = 15,165,245,370,564
5. Step 5: Solve for x
   x = 15,165,245,370,564/1,786,521
6. Step 6: Final answer
   x = 8,488,702.55