Finding the Third Proportional to 1,076,856 and 1,689,504

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,856 : 1,689,504 = 1,689,504 : x
2. Step 2: Convert to fraction form
   1,076,856/1,689,504 = 1,689,504/x
3. Step 3: Cross multiply
   1,076,856x = 1,689,504 × 1,689,504
4. Step 4: Simplify right side
   1,076,856x = 2,854,423,766,016
5. Step 5: Solve for x
   x = 2,854,423,766,016/1,076,856
6. Step 6: Final answer
   x = 2,650,701.45