Finding the Third Proportional to 1,913,379 and 4,059,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,379 : 4,059,990 = 4,059,990 : x
2. Step 2: Convert to fraction form
   1,913,379/4,059,990 = 4,059,990/x
3. Step 3: Cross multiply
   1,913,379x = 4,059,990 × 4,059,990
4. Step 4: Simplify right side
   1,913,379x = 16,483,518,800,100
5. Step 5: Solve for x
   x = 16,483,518,800,100/1,913,379
6. Step 6: Final answer
   x = 8,614,873.90