Finding the Third Proportional to 1,288,448 and 1,894,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,448 : 1,894,784 = 1,894,784 : x
2. Step 2: Convert to fraction form
   1,288,448/1,894,784 = 1,894,784/x
3. Step 3: Cross multiply
   1,288,448x = 1,894,784 × 1,894,784
4. Step 4: Simplify right side
   1,288,448x = 3,590,206,406,656
5. Step 5: Solve for x
   x = 3,590,206,406,656/1,288,448
6. Step 6: Final answer
   x = 2,786,458.13