Finding the Third Proportional to 419,772.38 and 899,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   419,772.38 : 899,383.50 = 899,383.50 : x
2. Step 2: Convert to fraction form
   419,772.38/899,383.50 = 899,383.50/x
3. Step 3: Cross multiply
   419,772.38x = 899,383.50 × 899,383.50
4. Step 4: Simplify right side
   419,772.38x = 808,890,680,072.25
5. Step 5: Solve for x
   x = 808,890,680,072.25/419,772.38
6. Step 6: Final answer
   x = 1,926,974.54