Finding the Third Proportional to 17,570 and 27,309

Step by Step Solution

1. Step 1: Write the proportion equation
   17,570 : 27,309 = 27,309 : x
2. Step 2: Convert to fraction form
   17,570/27,309 = 27,309/x
3. Step 3: Cross multiply
   17,570x = 27,309 × 27,309
4. Step 4: Simplify right side
   17,570x = 745,781,481
5. Step 5: Solve for x
   x = 745,781,481/17,570
6. Step 6: Final answer
   x = 42,446.30