Finding the Third Proportional to 765,666 and 1,661,796

Step by Step Solution

1. Step 1: Write the proportion equation
   765,666 : 1,661,796 = 1,661,796 : x
2. Step 2: Convert to fraction form
   765,666/1,661,796 = 1,661,796/x
3. Step 3: Cross multiply
   765,666x = 1,661,796 × 1,661,796
4. Step 4: Simplify right side
   765,666x = 2,761,565,945,616
5. Step 5: Solve for x
   x = 2,761,565,945,616/765,666
6. Step 6: Final answer
   x = 3,606,750.13