Finding the Third Proportional to 1,238,379 and 2,529,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,379 : 2,529,240 = 2,529,240 : x
2. Step 2: Convert to fraction form
   1,238,379/2,529,240 = 2,529,240/x
3. Step 3: Cross multiply
   1,238,379x = 2,529,240 × 2,529,240
4. Step 4: Simplify right side
   1,238,379x = 6,397,054,977,600
5. Step 5: Solve for x
   x = 6,397,054,977,600/1,238,379
6. Step 6: Final answer
   x = 5,165,668.17