Finding the Third Proportional to 1,076,840 and 1,689,483

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,840 : 1,689,483 = 1,689,483 : x
2. Step 2: Convert to fraction form
   1,076,840/1,689,483 = 1,689,483/x
3. Step 3: Cross multiply
   1,076,840x = 1,689,483 × 1,689,483
4. Step 4: Simplify right side
   1,076,840x = 2,854,352,807,289
5. Step 5: Solve for x
   x = 2,854,352,807,289/1,076,840
6. Step 6: Final answer
   x = 2,650,674.94