Finding the Third Proportional to 31,321.50 and 48,530.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,321.50 : 48,530.25 = 48,530.25 : x
2. Step 2: Convert to fraction form
   31,321.50/48,530.25 = 48,530.25/x
3. Step 3: Cross multiply
   31,321.50x = 48,530.25 × 48,530.25
4. Step 4: Simplify right side
   31,321.50x = 2,355,185,165.06
5. Step 5: Solve for x
   x = 2,355,185,165.06/31,321.50
6. Step 6: Final answer
   x = 75,193.88