Finding the Third Proportional to 86,683.50 and 187,326

Step by Step Solution

1. Step 1: Write the proportion equation
   86,683.50 : 187,326 = 187,326 : x
2. Step 2: Convert to fraction form
   86,683.50/187,326 = 187,326/x
3. Step 3: Cross multiply
   86,683.50x = 187,326 × 187,326
4. Step 4: Simplify right side
   86,683.50x = 35,091,030,276
5. Step 5: Solve for x
   x = 35,091,030,276/86,683.50
6. Step 6: Final answer
   x = 404,817.88