Finding the Third Proportional to 1,065,640 and 2,282,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,640 : 2,282,900 = 2,282,900 : x
2. Step 2: Convert to fraction form
   1,065,640/2,282,900 = 2,282,900/x
3. Step 3: Cross multiply
   1,065,640x = 2,282,900 × 2,282,900
4. Step 4: Simplify right side
   1,065,640x = 5,211,632,410,000
5. Step 5: Solve for x
   x = 5,211,632,410,000/1,065,640
6. Step 6: Final answer
   x = 4,890,612.60