Finding the Third Proportional to 3,384.56 and 4,922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384.56 : 4,922.72 = 4,922.72 : x
2. Step 2: Convert to fraction form
   3,384.56/4,922.72 = 4,922.72/x
3. Step 3: Cross multiply
   3,384.56x = 4,922.72 × 4,922.72
4. Step 4: Simplify right side
   3,384.56x = 24,233,159.89
5. Step 5: Solve for x
   x = 24,233,159.89/3,384.56
6. Step 6: Final answer
   x = 7,159.91