Finding the Third Proportional to 873,426 and 1,909,782

Step by Step Solution

1. Step 1: Write the proportion equation
   873,426 : 1,909,782 = 1,909,782 : x
2. Step 2: Convert to fraction form
   873,426/1,909,782 = 1,909,782/x
3. Step 3: Cross multiply
   873,426x = 1,909,782 × 1,909,782
4. Step 4: Simplify right side
   873,426x = 3,647,267,287,524
5. Step 5: Solve for x
   x = 3,647,267,287,524/873,426
6. Step 6: Final answer
   x = 4,175,817.17