Finding the Third Proportional to 19,320.75 and 30,616.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,320.75 : 30,616.88 = 30,616.88 : x
2. Step 2: Convert to fraction form
   19,320.75/30,616.88 = 30,616.88/x
3. Step 3: Cross multiply
   19,320.75x = 30,616.88 × 30,616.88
4. Step 4: Simplify right side
   19,320.75x = 937,393,034.77
5. Step 5: Solve for x
   x = 937,393,034.77/19,320.75
6. Step 6: Final answer
   x = 48,517.42