Finding the Third Proportional to 866,306 and 1,333,289

Step by Step Solution

1. Step 1: Write the proportion equation
   866,306 : 1,333,289 = 1,333,289 : x
2. Step 2: Convert to fraction form
   866,306/1,333,289 = 1,333,289/x
3. Step 3: Cross multiply
   866,306x = 1,333,289 × 1,333,289
4. Step 4: Simplify right side
   866,306x = 1,777,659,557,521
5. Step 5: Solve for x
   x = 1,777,659,557,521/866,306
6. Step 6: Final answer
   x = 2,051,999.59