Finding the Third Proportional to 814,500 and 1,684,872

Step by Step Solution

1. Step 1: Write the proportion equation
   814,500 : 1,684,872 = 1,684,872 : x
2. Step 2: Convert to fraction form
   814,500/1,684,872 = 1,684,872/x
3. Step 3: Cross multiply
   814,500x = 1,684,872 × 1,684,872
4. Step 4: Simplify right side
   814,500x = 2,838,793,656,384
5. Step 5: Solve for x
   x = 2,838,793,656,384/814,500
6. Step 6: Final answer
   x = 3,485,320.63