Finding the Third Proportional to 1,245,859 and 2,664,468

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,859 : 2,664,468 = 2,664,468 : x
2. Step 2: Convert to fraction form
   1,245,859/2,664,468 = 2,664,468/x
3. Step 3: Cross multiply
   1,245,859x = 2,664,468 × 2,664,468
4. Step 4: Simplify right side
   1,245,859x = 7,099,389,723,024
5. Step 5: Solve for x
   x = 7,099,389,723,024/1,245,859
6. Step 6: Final answer
   x = 5,698,389.40