Finding the Third Proportional to 647,288 and 1,005,012

Step by Step Solution

1. Step 1: Write the proportion equation
   647,288 : 1,005,012 = 1,005,012 : x
2. Step 2: Convert to fraction form
   647,288/1,005,012 = 1,005,012/x
3. Step 3: Cross multiply
   647,288x = 1,005,012 × 1,005,012
4. Step 4: Simplify right side
   647,288x = 1,010,049,120,144
5. Step 5: Solve for x
   x = 1,010,049,120,144/647,288
6. Step 6: Final answer
   x = 1,560,432.33