Finding the Third Proportional to 624,836.50 and 1,293,980

Step by Step Solution

1. Step 1: Write the proportion equation
   624,836.50 : 1,293,980 = 1,293,980 : x
2. Step 2: Convert to fraction form
   624,836.50/1,293,980 = 1,293,980/x
3. Step 3: Cross multiply
   624,836.50x = 1,293,980 × 1,293,980
4. Step 4: Simplify right side
   624,836.50x = 1,674,384,240,400
5. Step 5: Solve for x
   x = 1,674,384,240,400/624,836.50
6. Step 6: Final answer
   x = 2,679,715.80