Finding the Third Proportional to 446,288 and 981,138.50

Step by Step Solution

1. Step 1: Write the proportion equation
   446,288 : 981,138.50 = 981,138.50 : x
2. Step 2: Convert to fraction form
   446,288/981,138.50 = 981,138.50/x
3. Step 3: Cross multiply
   446,288x = 981,138.50 × 981,138.50
4. Step 4: Simplify right side
   446,288x = 962,632,756,182.25
5. Step 5: Solve for x
   x = 962,632,756,182.25/446,288
6. Step 6: Final answer
   x = 2,156,976.56