Finding the Third Proportional to 899,842.50 and 1,900,854

Step by Step Solution

1. Step 1: Write the proportion equation
   899,842.50 : 1,900,854 = 1,900,854 : x
2. Step 2: Convert to fraction form
   899,842.50/1,900,854 = 1,900,854/x
3. Step 3: Cross multiply
   899,842.50x = 1,900,854 × 1,900,854
4. Step 4: Simplify right side
   899,842.50x = 3,613,245,929,316
5. Step 5: Solve for x
   x = 3,613,245,929,316/899,842.50
6. Step 6: Final answer
   x = 4,015,420.40