Finding the Third Proportional to 159,540 and 247,003

Step by Step Solution

1. Step 1: Write the proportion equation
   159,540 : 247,003 = 247,003 : x
2. Step 2: Convert to fraction form
   159,540/247,003 = 247,003/x
3. Step 3: Cross multiply
   159,540x = 247,003 × 247,003
4. Step 4: Simplify right side
   159,540x = 61,010,482,009
5. Step 5: Solve for x
   x = 61,010,482,009/159,540
6. Step 6: Final answer
   x = 382,414.96