Finding the Third Proportional to 414,579.50 and 899,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,579.50 : 899,142.50 = 899,142.50 : x
2. Step 2: Convert to fraction form
   414,579.50/899,142.50 = 899,142.50/x
3. Step 3: Cross multiply
   414,579.50x = 899,142.50 × 899,142.50
4. Step 4: Simplify right side
   414,579.50x = 808,457,235,306.25
5. Step 5: Solve for x
   x = 808,457,235,306.25/414,579.50
6. Step 6: Final answer
   x = 1,950,065.63