Finding the Third Proportional to 619,058 and 1,312,612

Step by Step Solution

1. Step 1: Write the proportion equation
   619,058 : 1,312,612 = 1,312,612 : x
2. Step 2: Convert to fraction form
   619,058/1,312,612 = 1,312,612/x
3. Step 3: Cross multiply
   619,058x = 1,312,612 × 1,312,612
4. Step 4: Simplify right side
   619,058x = 1,722,950,262,544
5. Step 5: Solve for x
   x = 1,722,950,262,544/619,058
6. Step 6: Final answer
   x = 2,783,180.68