Finding the Third Proportional to 2,279,378 and 3,609,338

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,378 : 3,609,338 = 3,609,338 : x
2. Step 2: Convert to fraction form
   2,279,378/3,609,338 = 3,609,338/x
3. Step 3: Cross multiply
   2,279,378x = 3,609,338 × 3,609,338
4. Step 4: Simplify right side
   2,279,378x = 13,027,320,798,244
5. Step 5: Solve for x
   x = 13,027,320,798,244/2,279,378
6. Step 6: Final answer
   x = 5,715,296.37