Finding the Third Proportional to 1,049,646 and 2,289,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,646 : 2,289,210 = 2,289,210 : x
2. Step 2: Convert to fraction form
   1,049,646/2,289,210 = 2,289,210/x
3. Step 3: Cross multiply
   1,049,646x = 2,289,210 × 2,289,210
4. Step 4: Simplify right side
   1,049,646x = 5,240,482,424,100
5. Step 5: Solve for x
   x = 5,240,482,424,100/1,049,646
6. Step 6: Final answer
   x = 4,992,618.87