Finding the Third Proportional to 609,618 and 1,319,468

Step by Step Solution

1. Step 1: Write the proportion equation
   609,618 : 1,319,468 = 1,319,468 : x
2. Step 2: Convert to fraction form
   609,618/1,319,468 = 1,319,468/x
3. Step 3: Cross multiply
   609,618x = 1,319,468 × 1,319,468
4. Step 4: Simplify right side
   609,618x = 1,740,995,803,024
5. Step 5: Solve for x
   x = 1,740,995,803,024/609,618
6. Step 6: Final answer
   x = 2,855,879.92