Finding the Third Proportional to 1,045,240 and 2,289,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,240 : 2,289,772 = 2,289,772 : x
2. Step 2: Convert to fraction form
   1,045,240/2,289,772 = 2,289,772/x
3. Step 3: Cross multiply
   1,045,240x = 2,289,772 × 2,289,772
4. Step 4: Simplify right side
   1,045,240x = 5,243,055,811,984
5. Step 5: Solve for x
   x = 5,243,055,811,984/1,045,240
6. Step 6: Final answer
   x = 5,016,126.26