Finding the Third Proportional to 374,648 and 574,488

Step by Step Solution

1. Step 1: Write the proportion equation
   374,648 : 574,488 = 574,488 : x
2. Step 2: Convert to fraction form
   374,648/574,488 = 574,488/x
3. Step 3: Cross multiply
   374,648x = 574,488 × 574,488
4. Step 4: Simplify right side
   374,648x = 330,036,462,144
5. Step 5: Solve for x
   x = 330,036,462,144/374,648
6. Step 6: Final answer
   x = 880,924.13