Finding the Third Proportional to 5,930,870 and 12,949,405

Step by Step Solution

1. Step 1: Write the proportion equation
   5,930,870 : 12,949,405 = 12,949,405 : x
2. Step 2: Convert to fraction form
   5,930,870/12,949,405 = 12,949,405/x
3. Step 3: Cross multiply
   5,930,870x = 12,949,405 × 12,949,405
4. Step 4: Simplify right side
   5,930,870x = 167,687,089,854,025
5. Step 5: Solve for x
   x = 167,687,089,854,025/5,930,870
6. Step 6: Final answer
   x = 28,273,607.39