Finding the Third Proportional to 11,172 and 23,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172 : 23,491.50 = 23,491.50 : x
2. Step 2: Convert to fraction form
   11,172/23,491.50 = 23,491.50/x
3. Step 3: Cross multiply
   11,172x = 23,491.50 × 23,491.50
4. Step 4: Simplify right side
   11,172x = 551,850,572.25
5. Step 5: Solve for x
   x = 551,850,572.25/11,172
6. Step 6: Final answer
   x = 49,395.86