Finding the Third Proportional to 584,271.75 and 874,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   584,271.75 : 874,072.50 = 874,072.50 : x
2. Step 2: Convert to fraction form
   584,271.75/874,072.50 = 874,072.50/x
3. Step 3: Cross multiply
   584,271.75x = 874,072.50 × 874,072.50
4. Step 4: Simplify right side
   584,271.75x = 764,002,735,256.25
5. Step 5: Solve for x
   x = 764,002,735,256.25/584,271.75
6. Step 6: Final answer
   x = 1,307,615.40