Finding the Third Proportional to 329,544 and 719,488

Step by Step Solution

1. Step 1: Write the proportion equation
   329,544 : 719,488 = 719,488 : x
2. Step 2: Convert to fraction form
   329,544/719,488 = 719,488/x
3. Step 3: Cross multiply
   329,544x = 719,488 × 719,488
4. Step 4: Simplify right side
   329,544x = 517,662,982,144
5. Step 5: Solve for x
   x = 517,662,982,144/329,544
6. Step 6: Final answer
   x = 1,570,846.33