Finding the Third Proportional to 1,891,648 and 4,150,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,648 : 4,150,880 = 4,150,880 : x
2. Step 2: Convert to fraction form
   1,891,648/4,150,880 = 4,150,880/x
3. Step 3: Cross multiply
   1,891,648x = 4,150,880 × 4,150,880
4. Step 4: Simplify right side
   1,891,648x = 17,229,804,774,400
5. Step 5: Solve for x
   x = 17,229,804,774,400/1,891,648
6. Step 6: Final answer
   x = 9,108,356.72