Finding the Third Proportional to 188,251.50 and 403,800

Step by Step Solution

1. Step 1: Write the proportion equation
   188,251.50 : 403,800 = 403,800 : x
2. Step 2: Convert to fraction form
   188,251.50/403,800 = 403,800/x
3. Step 3: Cross multiply
   188,251.50x = 403,800 × 403,800
4. Step 4: Simplify right side
   188,251.50x = 163,054,440,000
5. Step 5: Solve for x
   x = 163,054,440,000/188,251.50
6. Step 6: Final answer
   x = 866,152.14