Finding the Third Proportional to 117,426 and 168,270

Step by Step Solution

1. Step 1: Write the proportion equation
   117,426 : 168,270 = 168,270 : x
2. Step 2: Convert to fraction form
   117,426/168,270 = 168,270/x
3. Step 3: Cross multiply
   117,426x = 168,270 × 168,270
4. Step 4: Simplify right side
   117,426x = 28,314,792,900
5. Step 5: Solve for x
   x = 28,314,792,900/117,426
6. Step 6: Final answer
   x = 241,128.82