Finding the Third Proportional to 42,238 and 92,243

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238 : 92,243 = 92,243 : x
2. Step 2: Convert to fraction form
   42,238/92,243 = 92,243/x
3. Step 3: Cross multiply
   42,238x = 92,243 × 92,243
4. Step 4: Simplify right side
   42,238x = 8,508,771,049
5. Step 5: Solve for x
   x = 8,508,771,049/42,238
6. Step 6: Final answer
   x = 201,448.25