Finding the Third Proportional to 11,390.63 and 14,914.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,390.63 : 14,914.13 = 14,914.13 : x
2. Step 2: Convert to fraction form
   11,390.63/14,914.13 = 14,914.13/x
3. Step 3: Cross multiply
   11,390.63x = 14,914.13 × 14,914.13
4. Step 4: Simplify right side
   11,390.63x = 222,431,124.52
5. Step 5: Solve for x
   x = 222,431,124.52/11,390.63
6. Step 6: Final answer
   x = 19,527.56