Finding the Third Proportional to 18,856 and 37,240

Step by Step Solution

1. Step 1: Write the proportion equation
   18,856 : 37,240 = 37,240 : x
2. Step 2: Convert to fraction form
   18,856/37,240 = 37,240/x
3. Step 3: Cross multiply
   18,856x = 37,240 × 37,240
4. Step 4: Simplify right side
   18,856x = 1,386,817,600
5. Step 5: Solve for x
   x = 1,386,817,600/18,856
6. Step 6: Final answer
   x = 73,547.82