Finding the Third Proportional to 1,020,290 and 2,224,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,290 : 2,224,288 = 2,224,288 : x
2. Step 2: Convert to fraction form
   1,020,290/2,224,288 = 2,224,288/x
3. Step 3: Cross multiply
   1,020,290x = 2,224,288 × 2,224,288
4. Step 4: Simplify right side
   1,020,290x = 4,947,457,106,944
5. Step 5: Solve for x
   x = 4,947,457,106,944/1,020,290
6. Step 6: Final answer
   x = 4,849,069.49