Finding the Third Proportional to 86,882 and 188,710

Step by Step Solution

1. Step 1: Write the proportion equation
   86,882 : 188,710 = 188,710 : x
2. Step 2: Convert to fraction form
   86,882/188,710 = 188,710/x
3. Step 3: Cross multiply
   86,882x = 188,710 × 188,710
4. Step 4: Simplify right side
   86,882x = 35,611,464,100
5. Step 5: Solve for x
   x = 35,611,464,100/86,882
6. Step 6: Final answer
   x = 409,883.11