Finding the Third Proportional to 186,703.50 and 409,695

Step by Step Solution

1. Step 1: Write the proportion equation
   186,703.50 : 409,695 = 409,695 : x
2. Step 2: Convert to fraction form
   186,703.50/409,695 = 409,695/x
3. Step 3: Cross multiply
   186,703.50x = 409,695 × 409,695
4. Step 4: Simplify right side
   186,703.50x = 167,849,993,025
5. Step 5: Solve for x
   x = 167,849,993,025/186,703.50
6. Step 6: Final answer
   x = 899,019.00