Finding the Third Proportional to 88,054.50 and 188,559

Step by Step Solution

1. Step 1: Write the proportion equation
   88,054.50 : 188,559 = 188,559 : x
2. Step 2: Convert to fraction form
   88,054.50/188,559 = 188,559/x
3. Step 3: Cross multiply
   88,054.50x = 188,559 × 188,559
4. Step 4: Simplify right side
   88,054.50x = 35,554,496,481
5. Step 5: Solve for x
   x = 35,554,496,481/88,054.50
6. Step 6: Final answer
   x = 403,778.30