Finding the Third Proportional to 4,984,584 and 7,128,048

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,584 : 7,128,048 = 7,128,048 : x
2. Step 2: Convert to fraction form
   4,984,584/7,128,048 = 7,128,048/x
3. Step 3: Cross multiply
   4,984,584x = 7,128,048 × 7,128,048
4. Step 4: Simplify right side
   4,984,584x = 50,809,068,290,304
5. Step 5: Solve for x
   x = 50,809,068,290,304/4,984,584
6. Step 6: Final answer
   x = 10,193,241.46