Finding the Third Proportional to 407,649 and 885,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,649 : 885,529.50 = 885,529.50 : x
2. Step 2: Convert to fraction form
   407,649/885,529.50 = 885,529.50/x
3. Step 3: Cross multiply
   407,649x = 885,529.50 × 885,529.50
4. Step 4: Simplify right side
   407,649x = 784,162,495,370.25
5. Step 5: Solve for x
   x = 784,162,495,370.25/407,649
6. Step 6: Final answer
   x = 1,923,621.78