Finding the Third Proportional to 31,519.75 and 48,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519.75 : 48,803.25 = 48,803.25 : x
2. Step 2: Convert to fraction form
   31,519.75/48,803.25 = 48,803.25/x
3. Step 3: Cross multiply
   31,519.75x = 48,803.25 × 48,803.25
4. Step 4: Simplify right side
   31,519.75x = 2,381,757,210.56
5. Step 5: Solve for x
   x = 2,381,757,210.56/31,519.75
6. Step 6: Final answer
   x = 75,563.96