Finding the Third Proportional to 359,886 and 764,049

Step by Step Solution

1. Step 1: Write the proportion equation
   359,886 : 764,049 = 764,049 : x
2. Step 2: Convert to fraction form
   359,886/764,049 = 764,049/x
3. Step 3: Cross multiply
   359,886x = 764,049 × 764,049
4. Step 4: Simplify right side
   359,886x = 583,770,874,401
5. Step 5: Solve for x
   x = 583,770,874,401/359,886
6. Step 6: Final answer
   x = 1,622,099.43