Finding the Third Proportional to 408,112 and 886,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,112 : 886,116.50 = 886,116.50 : x
2. Step 2: Convert to fraction form
   408,112/886,116.50 = 886,116.50/x
3. Step 3: Cross multiply
   408,112x = 886,116.50 × 886,116.50
4. Step 4: Simplify right side
   408,112x = 785,202,451,572.25
5. Step 5: Solve for x
   x = 785,202,451,572.25/408,112
6. Step 6: Final answer
   x = 1,923,987.66