Finding the Third Proportional to 3,246,644 and 5,140,704

Step by Step Solution

1. Step 1: Write the proportion equation
   3,246,644 : 5,140,704 = 5,140,704 : x
2. Step 2: Convert to fraction form
   3,246,644/5,140,704 = 5,140,704/x
3. Step 3: Cross multiply
   3,246,644x = 5,140,704 × 5,140,704
4. Step 4: Simplify right side
   3,246,644x = 26,426,837,615,616
5. Step 5: Solve for x
   x = 26,426,837,615,616/3,246,644
6. Step 6: Final answer
   x = 8,139,739.87