Finding the Third Proportional to 42,243 and 63,238

Step by Step Solution

1. Step 1: Write the proportion equation
   42,243 : 63,238 = 63,238 : x
2. Step 2: Convert to fraction form
   42,243/63,238 = 63,238/x
3. Step 3: Cross multiply
   42,243x = 63,238 × 63,238
4. Step 4: Simplify right side
   42,243x = 3,999,044,644
5. Step 5: Solve for x
   x = 3,999,044,644/42,243
6. Step 6: Final answer
   x = 94,667.63