Finding the Third Proportional to 86,625 and 188,046

Step by Step Solution

1. Step 1: Write the proportion equation
   86,625 : 188,046 = 188,046 : x
2. Step 2: Convert to fraction form
   86,625/188,046 = 188,046/x
3. Step 3: Cross multiply
   86,625x = 188,046 × 188,046
4. Step 4: Simplify right side
   86,625x = 35,361,298,116
5. Step 5: Solve for x
   x = 35,361,298,116/86,625
6. Step 6: Final answer
   x = 408,211.23