Finding the Third Proportional to 3,856,876 and 8,226,328

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856,876 : 8,226,328 = 8,226,328 : x
2. Step 2: Convert to fraction form
   3,856,876/8,226,328 = 8,226,328/x
3. Step 3: Cross multiply
   3,856,876x = 8,226,328 × 8,226,328
4. Step 4: Simplify right side
   3,856,876x = 67,672,472,363,584
5. Step 5: Solve for x
   x = 67,672,472,363,584/3,856,876
6. Step 6: Final answer
   x = 17,545,928.98