Finding the Third Proportional to 18,298 and 37,243

Step by Step Solution

1. Step 1: Write the proportion equation
   18,298 : 37,243 = 37,243 : x
2. Step 2: Convert to fraction form
   18,298/37,243 = 37,243/x
3. Step 3: Cross multiply
   18,298x = 37,243 × 37,243
4. Step 4: Simplify right side
   18,298x = 1,387,041,049
5. Step 5: Solve for x
   x = 1,387,041,049/18,298
6. Step 6: Final answer
   x = 75,802.88