Finding the Third Proportional to 18,120 and 37,404

Step by Step Solution

1. Step 1: Write the proportion equation
   18,120 : 37,404 = 37,404 : x
2. Step 2: Convert to fraction form
   18,120/37,404 = 37,404/x
3. Step 3: Cross multiply
   18,120x = 37,404 × 37,404
4. Step 4: Simplify right side
   18,120x = 1,399,059,216
5. Step 5: Solve for x
   x = 1,399,059,216/18,120
6. Step 6: Final answer
   x = 77,210.77