Finding the Third Proportional to 8,111.39 and 17,437.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.39 : 17,437.78 = 17,437.78 : x
2. Step 2: Convert to fraction form
   8,111.39/17,437.78 = 17,437.78/x
3. Step 3: Cross multiply
   8,111.39x = 17,437.78 × 17,437.78
4. Step 4: Simplify right side
   8,111.39x = 304,076,214.92
5. Step 5: Solve for x
   x = 304,076,214.92/8,111.39
6. Step 6: Final answer
   x = 37,487.56