Finding the Third Proportional to 140,474 and 297,468

Step by Step Solution

1. Step 1: Write the proportion equation
   140,474 : 297,468 = 297,468 : x
2. Step 2: Convert to fraction form
   140,474/297,468 = 297,468/x
3. Step 3: Cross multiply
   140,474x = 297,468 × 297,468
4. Step 4: Simplify right side
   140,474x = 88,487,211,024
5. Step 5: Solve for x
   x = 88,487,211,024/140,474
6. Step 6: Final answer
   x = 629,918.78