Finding the Third Proportional to 65,628 and 142,236

Step by Step Solution

1. Step 1: Write the proportion equation
   65,628 : 142,236 = 142,236 : x
2. Step 2: Convert to fraction form
   65,628/142,236 = 142,236/x
3. Step 3: Cross multiply
   65,628x = 142,236 × 142,236
4. Step 4: Simplify right side
   65,628x = 20,231,079,696
5. Step 5: Solve for x
   x = 20,231,079,696/65,628
6. Step 6: Final answer
   x = 308,269.03