Finding the Third Proportional to 18,210 and 37,090

Step by Step Solution

1. Step 1: Write the proportion equation
   18,210 : 37,090 = 37,090 : x
2. Step 2: Convert to fraction form
   18,210/37,090 = 37,090/x
3. Step 3: Cross multiply
   18,210x = 37,090 × 37,090
4. Step 4: Simplify right side
   18,210x = 1,375,668,100
5. Step 5: Solve for x
   x = 1,375,668,100/18,210
6. Step 6: Final answer
   x = 75,544.65