Finding the Third Proportional to 188,041.50 and 391,635

Step by Step Solution

1. Step 1: Write the proportion equation
   188,041.50 : 391,635 = 391,635 : x
2. Step 2: Convert to fraction form
   188,041.50/391,635 = 391,635/x
3. Step 3: Cross multiply
   188,041.50x = 391,635 × 391,635
4. Step 4: Simplify right side
   188,041.50x = 153,377,973,225
5. Step 5: Solve for x
   x = 153,377,973,225/188,041.50
6. Step 6: Final answer
   x = 815,660.23