Finding the Third Proportional to 690,485 and 1,476,916

Step by Step Solution

1. Step 1: Write the proportion equation
   690,485 : 1,476,916 = 1,476,916 : x
2. Step 2: Convert to fraction form
   690,485/1,476,916 = 1,476,916/x
3. Step 3: Cross multiply
   690,485x = 1,476,916 × 1,476,916
4. Step 4: Simplify right side
   690,485x = 2,181,280,871,056
5. Step 5: Solve for x
   x = 2,181,280,871,056/690,485
6. Step 6: Final answer
   x = 3,159,056.13