Finding the Third Proportional to 3,947,763 and 8,482,733

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,763 : 8,482,733 = 8,482,733 : x
2. Step 2: Convert to fraction form
   3,947,763/8,482,733 = 8,482,733/x
3. Step 3: Cross multiply
   3,947,763x = 8,482,733 × 8,482,733
4. Step 4: Simplify right side
   3,947,763x = 71,956,759,149,289
5. Step 5: Solve for x
   x = 71,956,759,149,289/3,947,763
6. Step 6: Final answer
   x = 18,227,223.66