Finding the Third Proportional to 2,809,138 and 4,254,495

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809,138 : 4,254,495 = 4,254,495 : x
2. Step 2: Convert to fraction form
   2,809,138/4,254,495 = 4,254,495/x
3. Step 3: Cross multiply
   2,809,138x = 4,254,495 × 4,254,495
4. Step 4: Simplify right side
   2,809,138x = 18,100,727,705,025
5. Step 5: Solve for x
   x = 18,100,727,705,025/2,809,138
6. Step 6: Final answer
   x = 6,443,516.73