Finding the Third Proportional to 624,042 and 1,216,980

Step by Step Solution

1. Step 1: Write the proportion equation
   624,042 : 1,216,980 = 1,216,980 : x
2. Step 2: Convert to fraction form
   624,042/1,216,980 = 1,216,980/x
3. Step 3: Cross multiply
   624,042x = 1,216,980 × 1,216,980
4. Step 4: Simplify right side
   624,042x = 1,481,040,320,400
5. Step 5: Solve for x
   x = 1,481,040,320,400/624,042
6. Step 6: Final answer
   x = 2,373,302.31