Finding the Third Proportional to 1,491,915 and 3,219,702

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,915 : 3,219,702 = 3,219,702 : x
2. Step 2: Convert to fraction form
   1,491,915/3,219,702 = 3,219,702/x
3. Step 3: Cross multiply
   1,491,915x = 3,219,702 × 3,219,702
4. Step 4: Simplify right side
   1,491,915x = 10,366,480,968,804
5. Step 5: Solve for x
   x = 10,366,480,968,804/1,491,915
6. Step 6: Final answer
   x = 6,948,439.40