Finding the Third Proportional to 31,812.75 and 37,887.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,812.75 : 37,887.75 = 37,887.75 : x
2. Step 2: Convert to fraction form
   31,812.75/37,887.75 = 37,887.75/x
3. Step 3: Cross multiply
   31,812.75x = 37,887.75 × 37,887.75
4. Step 4: Simplify right side
   31,812.75x = 1,435,481,600.06
5. Step 5: Solve for x
   x = 1,435,481,600.06/31,812.75
6. Step 6: Final answer
   x = 45,122.84