Finding the Third Proportional to 23,120.50 and 31,185.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,120.50 : 31,185.75 = 31,185.75 : x
2. Step 2: Convert to fraction form
   23,120.50/31,185.75 = 31,185.75/x
3. Step 3: Cross multiply
   23,120.50x = 31,185.75 × 31,185.75
4. Step 4: Simplify right side
   23,120.50x = 972,551,003.06
5. Step 5: Solve for x
   x = 972,551,003.06/23,120.50
6. Step 6: Final answer
   x = 42,064.45