Finding the Third Proportional to 85,861.50 and 188,850

Step by Step Solution

1. Step 1: Write the proportion equation
   85,861.50 : 188,850 = 188,850 : x
2. Step 2: Convert to fraction form
   85,861.50/188,850 = 188,850/x
3. Step 3: Cross multiply
   85,861.50x = 188,850 × 188,850
4. Step 4: Simplify right side
   85,861.50x = 35,664,322,500
5. Step 5: Solve for x
   x = 35,664,322,500/85,861.50
6. Step 6: Final answer
   x = 415,370.36