Finding the Third Proportional to 3,140,120 and 4,980,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,120 : 4,980,396 = 4,980,396 : x
2. Step 2: Convert to fraction form
   3,140,120/4,980,396 = 4,980,396/x
3. Step 3: Cross multiply
   3,140,120x = 4,980,396 × 4,980,396
4. Step 4: Simplify right side
   3,140,120x = 24,804,344,316,816
5. Step 5: Solve for x
   x = 24,804,344,316,816/3,140,120
6. Step 6: Final answer
   x = 7,899,170.83