Finding the Third Proportional to 17,455.71 and 37,678.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,455.71 : 37,678.29 = 37,678.29 : x
2. Step 2: Convert to fraction form
   17,455.71/37,678.29 = 37,678.29/x
3. Step 3: Cross multiply
   17,455.71x = 37,678.29 × 37,678.29
4. Step 4: Simplify right side
   17,455.71x = 1,419,653,466.68
5. Step 5: Solve for x
   x = 1,419,653,466.68/17,455.71
6. Step 6: Final answer
   x = 81,328.88