Finding the Third Proportional to 624,928 and 1,294,144

Step by Step Solution

1. Step 1: Write the proportion equation
   624,928 : 1,294,144 = 1,294,144 : x
2. Step 2: Convert to fraction form
   624,928/1,294,144 = 1,294,144/x
3. Step 3: Cross multiply
   624,928x = 1,294,144 × 1,294,144
4. Step 4: Simplify right side
   624,928x = 1,674,808,692,736
5. Step 5: Solve for x
   x = 1,674,808,692,736/624,928
6. Step 6: Final answer
   x = 2,680,002.64