Finding the Third Proportional to 3,276,434 and 5,128,563

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,434 : 5,128,563 = 5,128,563 : x
2. Step 2: Convert to fraction form
   3,276,434/5,128,563 = 5,128,563/x
3. Step 3: Cross multiply
   3,276,434x = 5,128,563 × 5,128,563
4. Step 4: Simplify right side
   3,276,434x = 26,302,158,444,969
5. Step 5: Solve for x
   x = 26,302,158,444,969/3,276,434
6. Step 6: Final answer
   x = 8,027,678.40