Finding the Third Proportional to 31,189.50 and 45,825.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,189.50 : 45,825.75 = 45,825.75 : x
2. Step 2: Convert to fraction form
   31,189.50/45,825.75 = 45,825.75/x
3. Step 3: Cross multiply
   31,189.50x = 45,825.75 × 45,825.75
4. Step 4: Simplify right side
   31,189.50x = 2,099,999,363.06
5. Step 5: Solve for x
   x = 2,099,999,363.06/31,189.50
6. Step 6: Final answer
   x = 67,330.33