Finding the Third Proportional to 1,800,810 and 4,250,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,810 : 4,250,880 = 4,250,880 : x
2. Step 2: Convert to fraction form
   1,800,810/4,250,880 = 4,250,880/x
3. Step 3: Cross multiply
   1,800,810x = 4,250,880 × 4,250,880
4. Step 4: Simplify right side
   1,800,810x = 18,069,980,774,400
5. Step 5: Solve for x
   x = 18,069,980,774,400/1,800,810
6. Step 6: Final answer
   x = 10,034,362.74