Finding the Third Proportional to 1,521,836 and 2,278,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,836 : 2,278,000 = 2,278,000 : x
2. Step 2: Convert to fraction form
   1,521,836/2,278,000 = 2,278,000/x
3. Step 3: Cross multiply
   1,521,836x = 2,278,000 × 2,278,000
4. Step 4: Simplify right side
   1,521,836x = 5,189,284,000,000
5. Step 5: Solve for x
   x = 5,189,284,000,000/1,521,836
6. Step 6: Final answer
   x = 3,409,883.85