Finding the Third Proportional to 86,179.50 and 188,397

Step by Step Solution

1. Step 1: Write the proportion equation
   86,179.50 : 188,397 = 188,397 : x
2. Step 2: Convert to fraction form
   86,179.50/188,397 = 188,397/x
3. Step 3: Cross multiply
   86,179.50x = 188,397 × 188,397
4. Step 4: Simplify right side
   86,179.50x = 35,493,429,609
5. Step 5: Solve for x
   x = 35,493,429,609/86,179.50
6. Step 6: Final answer
   x = 411,854.67