Finding the Third Proportional to 624,624 and 1,388,976

Step by Step Solution

1. Step 1: Write the proportion equation
   624,624 : 1,388,976 = 1,388,976 : x
2. Step 2: Convert to fraction form
   624,624/1,388,976 = 1,388,976/x
3. Step 3: Cross multiply
   624,624x = 1,388,976 × 1,388,976
4. Step 4: Simplify right side
   624,624x = 1,929,254,328,576
5. Step 5: Solve for x
   x = 1,929,254,328,576/624,624
6. Step 6: Final answer
   x = 3,088,665.07