Finding the Third Proportional to 689,330 and 1,506,676

Step by Step Solution

1. Step 1: Write the proportion equation
   689,330 : 1,506,676 = 1,506,676 : x
2. Step 2: Convert to fraction form
   689,330/1,506,676 = 1,506,676/x
3. Step 3: Cross multiply
   689,330x = 1,506,676 × 1,506,676
4. Step 4: Simplify right side
   689,330x = 2,270,072,568,976
5. Step 5: Solve for x
   x = 2,270,072,568,976/689,330
6. Step 6: Final answer
   x = 3,293,157.95