Finding the Third Proportional to 17,691.75 and 37,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,691.75 : 37,428.75 = 37,428.75 : x
2. Step 2: Convert to fraction form
   17,691.75/37,428.75 = 37,428.75/x
3. Step 3: Cross multiply
   17,691.75x = 37,428.75 × 37,428.75
4. Step 4: Simplify right side
   17,691.75x = 1,400,911,326.56
5. Step 5: Solve for x
   x = 1,400,911,326.56/17,691.75
6. Step 6: Final answer
   x = 79,184.44