Finding the Third Proportional to 3,140,306 and 4,980,615

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,306 : 4,980,615 = 4,980,615 : x
2. Step 2: Convert to fraction form
   3,140,306/4,980,615 = 4,980,615/x
3. Step 3: Cross multiply
   3,140,306x = 4,980,615 × 4,980,615
4. Step 4: Simplify right side
   3,140,306x = 24,806,525,778,225
5. Step 5: Solve for x
   x = 24,806,525,778,225/3,140,306
6. Step 6: Final answer
   x = 7,899,397.63