Finding the Third Proportional to 86,116.50 and 182,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,116.50 : 182,659.50 = 182,659.50 : x
2. Step 2: Convert to fraction form
   86,116.50/182,659.50 = 182,659.50/x
3. Step 3: Cross multiply
   86,116.50x = 182,659.50 × 182,659.50
4. Step 4: Simplify right side
   86,116.50x = 33,364,492,940.25
5. Step 5: Solve for x
   x = 33,364,492,940.25/86,116.50
6. Step 6: Final answer
   x = 387,434.38