Finding the Third Proportional to 108,162 and 236,688

Step by Step Solution

1. Step 1: Write the proportion equation
   108,162 : 236,688 = 236,688 : x
2. Step 2: Convert to fraction form
   108,162/236,688 = 236,688/x
3. Step 3: Cross multiply
   108,162x = 236,688 × 236,688
4. Step 4: Simplify right side
   108,162x = 56,021,209,344
5. Step 5: Solve for x
   x = 56,021,209,344/108,162
6. Step 6: Final answer
   x = 517,937.99