Finding the Third Proportional to 690,275 and 1,476,505

Step by Step Solution

1. Step 1: Write the proportion equation
   690,275 : 1,476,505 = 1,476,505 : x
2. Step 2: Convert to fraction form
   690,275/1,476,505 = 1,476,505/x
3. Step 3: Cross multiply
   690,275x = 1,476,505 × 1,476,505
4. Step 4: Simplify right side
   690,275x = 2,180,067,015,025
5. Step 5: Solve for x
   x = 2,180,067,015,025/690,275
6. Step 6: Final answer
   x = 3,158,258.69