Finding the Third Proportional to 609,602 and 1,339,870

Step by Step Solution

1. Step 1: Write the proportion equation
   609,602 : 1,339,870 = 1,339,870 : x
2. Step 2: Convert to fraction form
   609,602/1,339,870 = 1,339,870/x
3. Step 3: Cross multiply
   609,602x = 1,339,870 × 1,339,870
4. Step 4: Simplify right side
   609,602x = 1,795,251,616,900
5. Step 5: Solve for x
   x = 1,795,251,616,900/609,602
6. Step 6: Final answer
   x = 2,944,956.90