Finding the Third Proportional to 624,560 and 1,298,185

Step by Step Solution

1. Step 1: Write the proportion equation
   624,560 : 1,298,185 = 1,298,185 : x
2. Step 2: Convert to fraction form
   624,560/1,298,185 = 1,298,185/x
3. Step 3: Cross multiply
   624,560x = 1,298,185 × 1,298,185
4. Step 4: Simplify right side
   624,560x = 1,685,284,294,225
5. Step 5: Solve for x
   x = 1,685,284,294,225/624,560
6. Step 6: Final answer
   x = 2,698,354.51