Finding the Third Proportional to 88,786 and 188,587

Step by Step Solution

1. Step 1: Write the proportion equation
   88,786 : 188,587 = 188,587 : x
2. Step 2: Convert to fraction form
   88,786/188,587 = 188,587/x
3. Step 3: Cross multiply
   88,786x = 188,587 × 188,587
4. Step 4: Simplify right side
   88,786x = 35,565,056,569
5. Step 5: Solve for x
   x = 35,565,056,569/88,786
6. Step 6: Final answer
   x = 400,570.55