Finding the Third Proportional to 3,140,288 and 4,980,588

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,288 : 4,980,588 = 4,980,588 : x
2. Step 2: Convert to fraction form
   3,140,288/4,980,588 = 4,980,588/x
3. Step 3: Cross multiply
   3,140,288x = 4,980,588 × 4,980,588
4. Step 4: Simplify right side
   3,140,288x = 24,806,256,825,744
5. Step 5: Solve for x
   x = 24,806,256,825,744/3,140,288
6. Step 6: Final answer
   x = 7,899,357.26