Finding the Third Proportional to 247,718 and 527,404

Step by Step Solution

1. Step 1: Write the proportion equation
   247,718 : 527,404 = 527,404 : x
2. Step 2: Convert to fraction form
   247,718/527,404 = 527,404/x
3. Step 3: Cross multiply
   247,718x = 527,404 × 527,404
4. Step 4: Simplify right side
   247,718x = 278,154,979,216
5. Step 5: Solve for x
   x = 278,154,979,216/247,718
6. Step 6: Final answer
   x = 1,122,869.47