Finding the Third Proportional to 18,409.50 and 37,908

Step by Step Solution

1. Step 1: Write the proportion equation
   18,409.50 : 37,908 = 37,908 : x
2. Step 2: Convert to fraction form
   18,409.50/37,908 = 37,908/x
3. Step 3: Cross multiply
   18,409.50x = 37,908 × 37,908
4. Step 4: Simplify right side
   18,409.50x = 1,437,016,464
5. Step 5: Solve for x
   x = 1,437,016,464/18,409.50
6. Step 6: Final answer
   x = 78,058.42