Finding the Third Proportional to 644,552 and 1,417,984

Step by Step Solution

1. Step 1: Write the proportion equation
   644,552 : 1,417,984 = 1,417,984 : x
2. Step 2: Convert to fraction form
   644,552/1,417,984 = 1,417,984/x
3. Step 3: Cross multiply
   644,552x = 1,417,984 × 1,417,984
4. Step 4: Simplify right side
   644,552x = 2,010,678,624,256
5. Step 5: Solve for x
   x = 2,010,678,624,256/644,552
6. Step 6: Final answer
   x = 3,119,497.92