Finding the Third Proportional to 396,738 and 936,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   396,738 : 936,397.50 = 936,397.50 : x
2. Step 2: Convert to fraction form
   396,738/936,397.50 = 936,397.50/x
3. Step 3: Cross multiply
   396,738x = 936,397.50 × 936,397.50
4. Step 4: Simplify right side
   396,738x = 876,840,278,006.25
5. Step 5: Solve for x
   x = 876,840,278,006.25/396,738
6. Step 6: Final answer
   x = 2,210,124.26