Finding the Third Proportional to 223,488 and 488,448

Step by Step Solution

1. Step 1: Write the proportion equation
   223,488 : 488,448 = 488,448 : x
2. Step 2: Convert to fraction form
   223,488/488,448 = 488,448/x
3. Step 3: Cross multiply
   223,488x = 488,448 × 488,448
4. Step 4: Simplify right side
   223,488x = 238,581,448,704
5. Step 5: Solve for x
   x = 238,581,448,704/223,488
6. Step 6: Final answer
   x = 1,067,535.84