Finding the Third Proportional to 11,342 and 15,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,342 : 15,448.50 = 15,448.50 : x
2. Step 2: Convert to fraction form
   11,342/15,448.50 = 15,448.50/x
3. Step 3: Cross multiply
   11,342x = 15,448.50 × 15,448.50
4. Step 4: Simplify right side
   11,342x = 238,656,152.25
5. Step 5: Solve for x
   x = 238,656,152.25/11,342
6. Step 6: Final answer
   x = 21,041.80