Finding the Third Proportional to 779,661 and 1,166,310

Step by Step Solution

1. Step 1: Write the proportion equation
   779,661 : 1,166,310 = 1,166,310 : x
2. Step 2: Convert to fraction form
   779,661/1,166,310 = 1,166,310/x
3. Step 3: Cross multiply
   779,661x = 1,166,310 × 1,166,310
4. Step 4: Simplify right side
   779,661x = 1,360,279,016,100
5. Step 5: Solve for x
   x = 1,360,279,016,100/779,661
6. Step 6: Final answer
   x = 1,744,705.73