Finding the Third Proportional to 572,109 and 1,258,476

Step by Step Solution

1. Step 1: Write the proportion equation
   572,109 : 1,258,476 = 1,258,476 : x
2. Step 2: Convert to fraction form
   572,109/1,258,476 = 1,258,476/x
3. Step 3: Cross multiply
   572,109x = 1,258,476 × 1,258,476
4. Step 4: Simplify right side
   572,109x = 1,583,761,842,576
5. Step 5: Solve for x
   x = 1,583,761,842,576/572,109
6. Step 6: Final answer
   x = 2,768,286.89