Finding the Third Proportional to 404,939.25 and 886,140

Step by Step Solution

1. Step 1: Write the proportion equation
   404,939.25 : 886,140 = 886,140 : x
2. Step 2: Convert to fraction form
   404,939.25/886,140 = 886,140/x
3. Step 3: Cross multiply
   404,939.25x = 886,140 × 886,140
4. Step 4: Simplify right side
   404,939.25x = 785,244,099,600
5. Step 5: Solve for x
   x = 785,244,099,600/404,939.25
6. Step 6: Final answer
   x = 1,939,165.19