Finding the Third Proportional to 4,984,562 and 7,128,012

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,562 : 7,128,012 = 7,128,012 : x
2. Step 2: Convert to fraction form
   4,984,562/7,128,012 = 7,128,012/x
3. Step 3: Cross multiply
   4,984,562x = 7,128,012 × 7,128,012
4. Step 4: Simplify right side
   4,984,562x = 50,808,555,072,144
5. Step 5: Solve for x
   x = 50,808,555,072,144/4,984,562
6. Step 6: Final answer
   x = 10,193,183.49