Finding the Third Proportional to 3,140,290 and 4,980,591

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,290 : 4,980,591 = 4,980,591 : x
2. Step 2: Convert to fraction form
   3,140,290/4,980,591 = 4,980,591/x
3. Step 3: Cross multiply
   3,140,290x = 4,980,591 × 4,980,591
4. Step 4: Simplify right side
   3,140,290x = 24,806,286,709,281
5. Step 5: Solve for x
   x = 24,806,286,709,281/3,140,290
6. Step 6: Final answer
   x = 7,899,361.75