Finding the Third Proportional to 30,399.05 and 48,563.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,399.05 : 48,563.30 = 48,563.30 : x
2. Step 2: Convert to fraction form
   30,399.05/48,563.30 = 48,563.30/x
3. Step 3: Cross multiply
   30,399.05x = 48,563.30 × 48,563.30
4. Step 4: Simplify right side
   30,399.05x = 2,358,393,803.37
5. Step 5: Solve for x
   x = 2,358,393,803.37/30,399.05
6. Step 6: Final answer
   x = 77,581.18