Finding the Third Proportional to 521,346 and 1,142,337

Step by Step Solution

1. Step 1: Write the proportion equation
   521,346 : 1,142,337 = 1,142,337 : x
2. Step 2: Convert to fraction form
   521,346/1,142,337 = 1,142,337/x
3. Step 3: Cross multiply
   521,346x = 1,142,337 × 1,142,337
4. Step 4: Simplify right side
   521,346x = 1,304,933,821,569
5. Step 5: Solve for x
   x = 1,304,933,821,569/521,346
6. Step 6: Final answer
   x = 2,503,009.18