Finding the Third Proportional to 11,147.63 and 17,647.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147.63 : 17,647.88 = 17,647.88 : x
2. Step 2: Convert to fraction form
   11,147.63/17,647.88 = 17,647.88/x
3. Step 3: Cross multiply
   11,147.63x = 17,647.88 × 17,647.88
4. Step 4: Simplify right side
   11,147.63x = 311,447,492.02
5. Step 5: Solve for x
   x = 311,447,492.02/11,147.63
6. Step 6: Final answer
   x = 27,938.46