Finding the Third Proportional to 413,404.50 and 885,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   413,404.50 : 885,856.50 = 885,856.50 : x
2. Step 2: Convert to fraction form
   413,404.50/885,856.50 = 885,856.50/x
3. Step 3: Cross multiply
   413,404.50x = 885,856.50 × 885,856.50
4. Step 4: Simplify right side
   413,404.50x = 784,741,738,592.25
5. Step 5: Solve for x
   x = 784,741,738,592.25/413,404.50
6. Step 6: Final answer
   x = 1,898,241.89