Finding the Third Proportional to 3,888 and 7,874.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,888 : 7,874.72 = 7,874.72 : x
2. Step 2: Convert to fraction form
   3,888/7,874.72 = 7,874.72/x
3. Step 3: Cross multiply
   3,888x = 7,874.72 × 7,874.72
4. Step 4: Simplify right side
   3,888x = 62,011,195.39
5. Step 5: Solve for x
   x = 62,011,195.39/3,888
6. Step 6: Final answer
   x = 15,949.38