Finding the Third Proportional to 86,083.50 and 187,410

Step by Step Solution

1. Step 1: Write the proportion equation
   86,083.50 : 187,410 = 187,410 : x
2. Step 2: Convert to fraction form
   86,083.50/187,410 = 187,410/x
3. Step 3: Cross multiply
   86,083.50x = 187,410 × 187,410
4. Step 4: Simplify right side
   86,083.50x = 35,122,508,100
5. Step 5: Solve for x
   x = 35,122,508,100/86,083.50
6. Step 6: Final answer
   x = 408,005.11