Finding the Third Proportional to 88,234 and 188,780

Step by Step Solution

1. Step 1: Write the proportion equation
   88,234 : 188,780 = 188,780 : x
2. Step 2: Convert to fraction form
   88,234/188,780 = 188,780/x
3. Step 3: Cross multiply
   88,234x = 188,780 × 188,780
4. Step 4: Simplify right side
   88,234x = 35,637,888,400
5. Step 5: Solve for x
   x = 35,637,888,400/88,234
6. Step 6: Final answer
   x = 403,901.99