Finding the Third Proportional to 680,436 and 1,464,872

Step by Step Solution

1. Step 1: Write the proportion equation
   680,436 : 1,464,872 = 1,464,872 : x
2. Step 2: Convert to fraction form
   680,436/1,464,872 = 1,464,872/x
3. Step 3: Cross multiply
   680,436x = 1,464,872 × 1,464,872
4. Step 4: Simplify right side
   680,436x = 2,145,849,976,384
5. Step 5: Solve for x
   x = 2,145,849,976,384/680,436
6. Step 6: Final answer
   x = 3,153,639.69