Finding the Third Proportional to 3,347,628 and 7,321,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,347,628 : 7,321,224 = 7,321,224 : x
2. Step 2: Convert to fraction form
   3,347,628/7,321,224 = 7,321,224/x
3. Step 3: Cross multiply
   3,347,628x = 7,321,224 × 7,321,224
4. Step 4: Simplify right side
   3,347,628x = 53,600,320,858,176
5. Step 5: Solve for x
   x = 53,600,320,858,176/3,347,628
6. Step 6: Final answer
   x = 16,011,432.83