Finding the Third Proportional to 1,076,964 and 1,689,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,964 : 1,689,588 = 1,689,588 : x
2. Step 2: Convert to fraction form
   1,076,964/1,689,588 = 1,689,588/x
3. Step 3: Cross multiply
   1,076,964x = 1,689,588 × 1,689,588
4. Step 4: Simplify right side
   1,076,964x = 2,854,707,609,744
5. Step 5: Solve for x
   x = 2,854,707,609,744/1,076,964
6. Step 6: Final answer
   x = 2,650,699.20