Finding the Third Proportional to 11,200.78 and 14,910.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,200.78 : 14,910.33 = 14,910.33 : x
2. Step 2: Convert to fraction form
   11,200.78/14,910.33 = 14,910.33/x
3. Step 3: Cross multiply
   11,200.78x = 14,910.33 × 14,910.33
4. Step 4: Simplify right side
   11,200.78x = 222,317,884.80
5. Step 5: Solve for x
   x = 222,317,884.80/11,200.78
6. Step 6: Final answer
   x = 19,848.43