Finding the Third Proportional to 1,235,689 and 2,660,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235,689 : 2,660,979 = 2,660,979 : x
2. Step 2: Convert to fraction form
   1,235,689/2,660,979 = 2,660,979/x
3. Step 3: Cross multiply
   1,235,689x = 2,660,979 × 2,660,979
4. Step 4: Simplify right side
   1,235,689x = 7,080,809,238,441
5. Step 5: Solve for x
   x = 7,080,809,238,441/1,235,689
6. Step 6: Final answer
   x = 5,730,251.90