Finding the Third Proportional to 11,317.50 and 23,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,317.50 : 23,431.50 = 23,431.50 : x
2. Step 2: Convert to fraction form
   11,317.50/23,431.50 = 23,431.50/x
3. Step 3: Cross multiply
   11,317.50x = 23,431.50 × 23,431.50
4. Step 4: Simplify right side
   11,317.50x = 549,035,192.25
5. Step 5: Solve for x
   x = 549,035,192.25/11,317.50
6. Step 6: Final answer
   x = 48,512.06