Finding the Third Proportional to 1,339,742 and 2,889,382

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,742 : 2,889,382 = 2,889,382 : x
2. Step 2: Convert to fraction form
   1,339,742/2,889,382 = 2,889,382/x
3. Step 3: Cross multiply
   1,339,742x = 2,889,382 × 2,889,382
4. Step 4: Simplify right side
   1,339,742x = 8,348,528,341,924
5. Step 5: Solve for x
   x = 8,348,528,341,924/1,339,742
6. Step 6: Final answer
   x = 6,231,444.82