Finding the Third Proportional to 42,174 and 63,144

Step by Step Solution

1. Step 1: Write the proportion equation
   42,174 : 63,144 = 63,144 : x
2. Step 2: Convert to fraction form
   42,174/63,144 = 63,144/x
3. Step 3: Cross multiply
   42,174x = 63,144 × 63,144
4. Step 4: Simplify right side
   42,174x = 3,987,164,736
5. Step 5: Solve for x
   x = 3,987,164,736/42,174
6. Step 6: Final answer
   x = 94,540.82