Finding the Third Proportional to 17,818 and 27,699

Step by Step Solution

1. Step 1: Write the proportion equation
   17,818 : 27,699 = 27,699 : x
2. Step 2: Convert to fraction form
   17,818/27,699 = 27,699/x
3. Step 3: Cross multiply
   17,818x = 27,699 × 27,699
4. Step 4: Simplify right side
   17,818x = 767,234,601
5. Step 5: Solve for x
   x = 767,234,601/17,818
6. Step 6: Final answer
   x = 43,059.52