Finding the Third Proportional to 624,856 and 1,372,590

Step by Step Solution

1. Step 1: Write the proportion equation
   624,856 : 1,372,590 = 1,372,590 : x
2. Step 2: Convert to fraction form
   624,856/1,372,590 = 1,372,590/x
3. Step 3: Cross multiply
   624,856x = 1,372,590 × 1,372,590
4. Step 4: Simplify right side
   624,856x = 1,884,003,308,100
5. Step 5: Solve for x
   x = 1,884,003,308,100/624,856
6. Step 6: Final answer
   x = 3,015,099.97