Finding the Third Proportional to 1,476,145.50 and 3,178,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476,145.50 : 3,178,686 = 3,178,686 : x
2. Step 2: Convert to fraction form
   1,476,145.50/3,178,686 = 3,178,686/x
3. Step 3: Cross multiply
   1,476,145.50x = 3,178,686 × 3,178,686
4. Step 4: Simplify right side
   1,476,145.50x = 10,104,044,686,596
5. Step 5: Solve for x
   x = 10,104,044,686,596/1,476,145.50
6. Step 6: Final answer
   x = 6,844,883.98