Finding the Third Proportional to 690,360 and 1,476,664

Step by Step Solution

1. Step 1: Write the proportion equation
   690,360 : 1,476,664 = 1,476,664 : x
2. Step 2: Convert to fraction form
   690,360/1,476,664 = 1,476,664/x
3. Step 3: Cross multiply
   690,360x = 1,476,664 × 1,476,664
4. Step 4: Simplify right side
   690,360x = 2,180,536,568,896
5. Step 5: Solve for x
   x = 2,180,536,568,896/690,360
6. Step 6: Final answer
   x = 3,158,549.99