Finding the Third Proportional to 88,856 and 187,688

Step by Step Solution

1. Step 1: Write the proportion equation
   88,856 : 187,688 = 187,688 : x
2. Step 2: Convert to fraction form
   88,856/187,688 = 187,688/x
3. Step 3: Cross multiply
   88,856x = 187,688 × 187,688
4. Step 4: Simplify right side
   88,856x = 35,226,785,344
5. Step 5: Solve for x
   x = 35,226,785,344/88,856
6. Step 6: Final answer
   x = 396,448.02