Finding the Third Proportional to 17,618.63 and 27,298.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.63 : 27,298.69 = 27,298.69 : x
2. Step 2: Convert to fraction form
   17,618.63/27,298.69 = 27,298.69/x
3. Step 3: Cross multiply
   17,618.63x = 27,298.69 × 27,298.69
4. Step 4: Simplify right side
   17,618.63x = 745,218,339.22
5. Step 5: Solve for x
   x = 745,218,339.22/17,618.63
6. Step 6: Final answer
   x = 42,297.19