Finding the Third Proportional to 86,710.50 and 187,353

Step by Step Solution

1. Step 1: Write the proportion equation
   86,710.50 : 187,353 = 187,353 : x
2. Step 2: Convert to fraction form
   86,710.50/187,353 = 187,353/x
3. Step 3: Cross multiply
   86,710.50x = 187,353 × 187,353
4. Step 4: Simplify right side
   86,710.50x = 35,101,146,609
5. Step 5: Solve for x
   x = 35,101,146,609/86,710.50
6. Step 6: Final answer
   x = 404,808.49