Finding the Third Proportional to 1,435,661 and 3,154,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,661 : 3,154,345 = 3,154,345 : x
2. Step 2: Convert to fraction form
   1,435,661/3,154,345 = 3,154,345/x
3. Step 3: Cross multiply
   1,435,661x = 3,154,345 × 3,154,345
4. Step 4: Simplify right side
   1,435,661x = 9,949,892,379,025
5. Step 5: Solve for x
   x = 9,949,892,379,025/1,435,661
6. Step 6: Final answer
   x = 6,930,530.52