Finding the Third Proportional to 647,247 and 970,870

Step by Step Solution

1. Step 1: Write the proportion equation
   647,247 : 970,870 = 970,870 : x
2. Step 2: Convert to fraction form
   647,247/970,870 = 970,870/x
3. Step 3: Cross multiply
   647,247x = 970,870 × 970,870
4. Step 4: Simplify right side
   647,247x = 942,588,556,900
5. Step 5: Solve for x
   x = 942,588,556,900/647,247
6. Step 6: Final answer
   x = 1,456,304.25