Finding the Third Proportional to 3,920,932 and 8,493,246

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,932 : 8,493,246 = 8,493,246 : x
2. Step 2: Convert to fraction form
   3,920,932/8,493,246 = 8,493,246/x
3. Step 3: Cross multiply
   3,920,932x = 8,493,246 × 8,493,246
4. Step 4: Simplify right side
   3,920,932x = 72,135,227,616,516
5. Step 5: Solve for x
   x = 72,135,227,616,516/3,920,932
6. Step 6: Final answer
   x = 18,397,469.69