Finding the Third Proportional to 1,369,110 and 2,128,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,110 : 2,128,338 = 2,128,338 : x
2. Step 2: Convert to fraction form
   1,369,110/2,128,338 = 2,128,338/x
3. Step 3: Cross multiply
   1,369,110x = 2,128,338 × 2,128,338
4. Step 4: Simplify right side
   1,369,110x = 4,529,822,642,244
5. Step 5: Solve for x
   x = 4,529,822,642,244/1,369,110
6. Step 6: Final answer
   x = 3,308,589.26