Finding the Third Proportional to 396,819 and 936,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   396,819 : 936,562.50 = 936,562.50 : x
2. Step 2: Convert to fraction form
   396,819/936,562.50 = 936,562.50/x
3. Step 3: Cross multiply
   396,819x = 936,562.50 × 936,562.50
4. Step 4: Simplify right side
   396,819x = 877,149,316,406.25
5. Step 5: Solve for x
   x = 877,149,316,406.25/396,819
6. Step 6: Final answer
   x = 2,210,451.91