Finding the Third Proportional to 18,312.75 and 31,097.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,312.75 : 31,097.25 = 31,097.25 : x
2. Step 2: Convert to fraction form
   18,312.75/31,097.25 = 31,097.25/x
3. Step 3: Cross multiply
   18,312.75x = 31,097.25 × 31,097.25
4. Step 4: Simplify right side
   18,312.75x = 967,038,957.56
5. Step 5: Solve for x
   x = 967,038,957.56/18,312.75
6. Step 6: Final answer
   x = 52,806.87