Finding the Third Proportional to 18,240 and 37,488

Step by Step Solution

1. Step 1: Write the proportion equation
   18,240 : 37,488 = 37,488 : x
2. Step 2: Convert to fraction form
   18,240/37,488 = 37,488/x
3. Step 3: Cross multiply
   18,240x = 37,488 × 37,488
4. Step 4: Simplify right side
   18,240x = 1,405,350,144
5. Step 5: Solve for x
   x = 1,405,350,144/18,240
6. Step 6: Final answer
   x = 77,047.71