Finding the Third Proportional to 690,069 and 1,501,638

Step by Step Solution

1. Step 1: Write the proportion equation
   690,069 : 1,501,638 = 1,501,638 : x
2. Step 2: Convert to fraction form
   690,069/1,501,638 = 1,501,638/x
3. Step 3: Cross multiply
   690,069x = 1,501,638 × 1,501,638
4. Step 4: Simplify right side
   690,069x = 2,254,916,683,044
5. Step 5: Solve for x
   x = 2,254,916,683,044/690,069
6. Step 6: Final answer
   x = 3,267,668.43