Finding the Third Proportional to 1,369,338 and 2,780,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,338 : 2,780,148 = 2,780,148 : x
2. Step 2: Convert to fraction form
   1,369,338/2,780,148 = 2,780,148/x
3. Step 3: Cross multiply
   1,369,338x = 2,780,148 × 2,780,148
4. Step 4: Simplify right side
   1,369,338x = 7,729,222,901,904
5. Step 5: Solve for x
   x = 7,729,222,901,904/1,369,338
6. Step 6: Final answer
   x = 5,644,496.03