Finding the Third Proportional to 11,352.94 and 15,584.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,352.94 : 15,584.63 = 15,584.63 : x
2. Step 2: Convert to fraction form
   11,352.94/15,584.63 = 15,584.63/x
3. Step 3: Cross multiply
   11,352.94x = 15,584.63 × 15,584.63
4. Step 4: Simplify right side
   11,352.94x = 242,880,536.39
5. Step 5: Solve for x
   x = 242,880,536.39/11,352.94
6. Step 6: Final answer
   x = 21,393.63