Finding the Third Proportional to 118,632 and 160,128

Step by Step Solution

1. Step 1: Write the proportion equation
   118,632 : 160,128 = 160,128 : x
2. Step 2: Convert to fraction form
   118,632/160,128 = 160,128/x
3. Step 3: Cross multiply
   118,632x = 160,128 × 160,128
4. Step 4: Simplify right side
   118,632x = 25,640,976,384
5. Step 5: Solve for x
   x = 25,640,976,384/118,632
6. Step 6: Final answer
   x = 216,138.79