Finding the Third Proportional to 1,042,238.81 and 2,258,451.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,238.81 : 2,258,451.56 = 2,258,451.56 : x
2. Step 2: Convert to fraction form
   1,042,238.81/2,258,451.56 = 2,258,451.56/x
3. Step 3: Cross multiply
   1,042,238.81x = 2,258,451.56 × 2,258,451.56
4. Step 4: Simplify right side
   1,042,238.81x = 5,100,603,460,158.69
5. Step 5: Solve for x
   x = 5,100,603,460,158.69/1,042,238.81
6. Step 6: Final answer
   x = 4,893,891.30