Finding the Third Proportional to 1,076,862 and 1,689,511

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,862 : 1,689,511 = 1,689,511 : x
2. Step 2: Convert to fraction form
   1,076,862/1,689,511 = 1,689,511/x
3. Step 3: Cross multiply
   1,076,862x = 1,689,511 × 1,689,511
4. Step 4: Simplify right side
   1,076,862x = 2,854,447,419,121
5. Step 5: Solve for x
   x = 2,854,447,419,121/1,076,862
6. Step 6: Final answer
   x = 2,650,708.65