Finding the Third Proportional to 647,272 and 1,004,988

Step by Step Solution

1. Step 1: Write the proportion equation
   647,272 : 1,004,988 = 1,004,988 : x
2. Step 2: Convert to fraction form
   647,272/1,004,988 = 1,004,988/x
3. Step 3: Cross multiply
   647,272x = 1,004,988 × 1,004,988
4. Step 4: Simplify right side
   647,272x = 1,010,000,880,144
5. Step 5: Solve for x
   x = 1,010,000,880,144/647,272
6. Step 6: Final answer
   x = 1,560,396.37