Finding the Third Proportional to 677,578 and 1,473,250

Step by Step Solution

1. Step 1: Write the proportion equation
   677,578 : 1,473,250 = 1,473,250 : x
2. Step 2: Convert to fraction form
   677,578/1,473,250 = 1,473,250/x
3. Step 3: Cross multiply
   677,578x = 1,473,250 × 1,473,250
4. Step 4: Simplify right side
   677,578x = 2,170,465,562,500
5. Step 5: Solve for x
   x = 2,170,465,562,500/677,578
6. Step 6: Final answer
   x = 3,203,270.42