Finding the Third Proportional to 140,464 and 297,448

Step by Step Solution

1. Step 1: Write the proportion equation
   140,464 : 297,448 = 297,448 : x
2. Step 2: Convert to fraction form
   140,464/297,448 = 297,448/x
3. Step 3: Cross multiply
   140,464x = 297,448 × 297,448
4. Step 4: Simplify right side
   140,464x = 88,475,312,704
5. Step 5: Solve for x
   x = 88,475,312,704/140,464
6. Step 6: Final answer
   x = 629,878.92