Finding the Third Proportional to 690,424 and 1,476,805

Step by Step Solution

1. Step 1: Write the proportion equation
   690,424 : 1,476,805 = 1,476,805 : x
2. Step 2: Convert to fraction form
   690,424/1,476,805 = 1,476,805/x
3. Step 3: Cross multiply
   690,424x = 1,476,805 × 1,476,805
4. Step 4: Simplify right side
   690,424x = 2,180,953,008,025
5. Step 5: Solve for x
   x = 2,180,953,008,025/690,424
6. Step 6: Final answer
   x = 3,158,860.36