Finding the Third Proportional to 587,616 and 1,319,040

Step by Step Solution

1. Step 1: Write the proportion equation
   587,616 : 1,319,040 = 1,319,040 : x
2. Step 2: Convert to fraction form
   587,616/1,319,040 = 1,319,040/x
3. Step 3: Cross multiply
   587,616x = 1,319,040 × 1,319,040
4. Step 4: Simplify right side
   587,616x = 1,739,866,521,600
5. Step 5: Solve for x
   x = 1,739,866,521,600/587,616
6. Step 6: Final answer
   x = 2,960,890.31