Finding the Third Proportional to 245,040 and 500,448

Step by Step Solution

1. Step 1: Write the proportion equation
   245,040 : 500,448 = 500,448 : x
2. Step 2: Convert to fraction form
   245,040/500,448 = 500,448/x
3. Step 3: Cross multiply
   245,040x = 500,448 × 500,448
4. Step 4: Simplify right side
   245,040x = 250,448,200,704
5. Step 5: Solve for x
   x = 250,448,200,704/245,040
6. Step 6: Final answer
   x = 1,022,070.69