Finding the Third Proportional to 17,490.38 and 37,315.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,490.38 : 37,315.13 = 37,315.13 : x
2. Step 2: Convert to fraction form
   17,490.38/37,315.13 = 37,315.13/x
3. Step 3: Cross multiply
   17,490.38x = 37,315.13 × 37,315.13
4. Step 4: Simplify right side
   17,490.38x = 1,392,418,553.77
5. Step 5: Solve for x
   x = 1,392,418,553.77/17,490.38
6. Step 6: Final answer
   x = 79,610.56