Finding the Third Proportional to 816,279.50 and 1,906,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   816,279.50 : 1,906,146.50 = 1,906,146.50 : x
2. Step 2: Convert to fraction form
   816,279.50/1,906,146.50 = 1,906,146.50/x
3. Step 3: Cross multiply
   816,279.50x = 1,906,146.50 × 1,906,146.50
4. Step 4: Simplify right side
   816,279.50x = 3,633,394,479,462.25
5. Step 5: Solve for x
   x = 3,633,394,479,462.25/816,279.50
6. Step 6: Final answer
   x = 4,451,164.68