Finding the Third Proportional to 828,105.94 and 1,214,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   828,105.94 : 1,214,818.50 = 1,214,818.50 : x
2. Step 2: Convert to fraction form
   828,105.94/1,214,818.50 = 1,214,818.50/x
3. Step 3: Cross multiply
   828,105.94x = 1,214,818.50 × 1,214,818.50
4. Step 4: Simplify right side
   828,105.94x = 1,475,783,987,942.25
5. Step 5: Solve for x
   x = 1,475,783,987,942.25/828,105.94
6. Step 6: Final answer
   x = 1,782,119.80