Finding the Third Proportional to 11,363.63 and 15,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,363.63 : 15,570.56 = 15,570.56 : x
2. Step 2: Convert to fraction form
   11,363.63/15,570.56 = 15,570.56/x
3. Step 3: Cross multiply
   11,363.63x = 15,570.56 × 15,570.56
4. Step 4: Simplify right side
   11,363.63x = 242,442,416.57
5. Step 5: Solve for x
   x = 242,442,416.57/11,363.63
6. Step 6: Final answer
   x = 21,334.95