Finding the Third Proportional to 4,942.27 and 7,904.67

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942.27 : 7,904.67 = 7,904.67 : x
2. Step 2: Convert to fraction form
   4,942.27/7,904.67 = 7,904.67/x
3. Step 3: Cross multiply
   4,942.27x = 7,904.67 × 7,904.67
4. Step 4: Simplify right side
   4,942.27x = 62,483,837.45
5. Step 5: Solve for x
   x = 62,483,837.45/4,942.27
6. Step 6: Final answer
   x = 12,642.75