Finding the Third Proportional to 131,426 and 297,947

Step by Step Solution

1. Step 1: Write the proportion equation
   131,426 : 297,947 = 297,947 : x
2. Step 2: Convert to fraction form
   131,426/297,947 = 297,947/x
3. Step 3: Cross multiply
   131,426x = 297,947 × 297,947
4. Step 4: Simplify right side
   131,426x = 88,772,414,809
5. Step 5: Solve for x
   x = 88,772,414,809/131,426
6. Step 6: Final answer
   x = 675,455.50