Finding the Third Proportional to 39,116 and 53,144

Step by Step Solution

1. Step 1: Write the proportion equation
   39,116 : 53,144 = 53,144 : x
2. Step 2: Convert to fraction form
   39,116/53,144 = 53,144/x
3. Step 3: Cross multiply
   39,116x = 53,144 × 53,144
4. Step 4: Simplify right side
   39,116x = 2,824,284,736
5. Step 5: Solve for x
   x = 2,824,284,736/39,116
6. Step 6: Final answer
   x = 72,202.80