Finding the Third Proportional to 131,424 and 297,942

Step by Step Solution

1. Step 1: Write the proportion equation
   131,424 : 297,942 = 297,942 : x
2. Step 2: Convert to fraction form
   131,424/297,942 = 297,942/x
3. Step 3: Cross multiply
   131,424x = 297,942 × 297,942
4. Step 4: Simplify right side
   131,424x = 88,769,435,364
5. Step 5: Solve for x
   x = 88,769,435,364/131,424
6. Step 6: Final answer
   x = 675,443.11