Finding the Third Proportional to 17,837.72 and 27,428.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,837.72 : 27,428.63 = 27,428.63 : x
2. Step 2: Convert to fraction form
   17,837.72/27,428.63 = 27,428.63/x
3. Step 3: Cross multiply
   17,837.72x = 27,428.63 × 27,428.63
4. Step 4: Simplify right side
   17,837.72x = 752,329,469.39
5. Step 5: Solve for x
   x = 752,329,469.39/17,837.72
6. Step 6: Final answer
   x = 42,176.33