Finding the Third Proportional to 11,363.63 and 13,641.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,363.63 : 13,641.75 = 13,641.75 : x
2. Step 2: Convert to fraction form
   11,363.63/13,641.75 = 13,641.75/x
3. Step 3: Cross multiply
   11,363.63x = 13,641.75 × 13,641.75
4. Step 4: Simplify right side
   11,363.63x = 186,097,343.06
5. Step 5: Solve for x
   x = 186,097,343.06/11,363.63
6. Step 6: Final answer
   x = 16,376.58