Finding the Third Proportional to 88,780.50 and 188,577

Step by Step Solution

1. Step 1: Write the proportion equation
   88,780.50 : 188,577 = 188,577 : x
2. Step 2: Convert to fraction form
   88,780.50/188,577 = 188,577/x
3. Step 3: Cross multiply
   88,780.50x = 188,577 × 188,577
4. Step 4: Simplify right side
   88,780.50x = 35,561,284,929
5. Step 5: Solve for x
   x = 35,561,284,929/88,780.50
6. Step 6: Final answer
   x = 400,552.88