Finding the Third Proportional to 936,576 and 1,989,774

Step by Step Solution

1. Step 1: Write the proportion equation
   936,576 : 1,989,774 = 1,989,774 : x
2. Step 2: Convert to fraction form
   936,576/1,989,774 = 1,989,774/x
3. Step 3: Cross multiply
   936,576x = 1,989,774 × 1,989,774
4. Step 4: Simplify right side
   936,576x = 3,959,200,571,076
5. Step 5: Solve for x
   x = 3,959,200,571,076/936,576
6. Step 6: Final answer
   x = 4,227,313.72