Finding the Third Proportional to 1,076,844 and 1,689,486

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,844 : 1,689,486 = 1,689,486 : x
2. Step 2: Convert to fraction form
   1,076,844/1,689,486 = 1,689,486/x
3. Step 3: Cross multiply
   1,076,844x = 1,689,486 × 1,689,486
4. Step 4: Simplify right side
   1,076,844x = 2,854,362,944,196
5. Step 5: Solve for x
   x = 2,854,362,944,196/1,076,844
6. Step 6: Final answer
   x = 2,650,674.51