Finding the Third Proportional to 814,306 and 1,789,222

Step by Step Solution

1. Step 1: Write the proportion equation
   814,306 : 1,789,222 = 1,789,222 : x
2. Step 2: Convert to fraction form
   814,306/1,789,222 = 1,789,222/x
3. Step 3: Cross multiply
   814,306x = 1,789,222 × 1,789,222
4. Step 4: Simplify right side
   814,306x = 3,201,315,365,284
5. Step 5: Solve for x
   x = 3,201,315,365,284/814,306
6. Step 6: Final answer
   x = 3,931,341.98