Finding the Third Proportional to 847,612 and 1,280,058

Step by Step Solution

1. Step 1: Write the proportion equation
   847,612 : 1,280,058 = 1,280,058 : x
2. Step 2: Convert to fraction form
   847,612/1,280,058 = 1,280,058/x
3. Step 3: Cross multiply
   847,612x = 1,280,058 × 1,280,058
4. Step 4: Simplify right side
   847,612x = 1,638,548,483,364
5. Step 5: Solve for x
   x = 1,638,548,483,364/847,612
6. Step 6: Final answer
   x = 1,933,135.07