Finding the Third Proportional to 23,328.50 and 31,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,328.50 : 31,428.75 = 31,428.75 : x
2. Step 2: Convert to fraction form
   23,328.50/31,428.75 = 31,428.75/x
3. Step 3: Cross multiply
   23,328.50x = 31,428.75 × 31,428.75
4. Step 4: Simplify right side
   23,328.50x = 987,766,326.56
5. Step 5: Solve for x
   x = 987,766,326.56/23,328.50
6. Step 6: Final answer
   x = 42,341.61