Finding the Third Proportional to 609,156 and 1,339,812

Step by Step Solution

1. Step 1: Write the proportion equation
   609,156 : 1,339,812 = 1,339,812 : x
2. Step 2: Convert to fraction form
   609,156/1,339,812 = 1,339,812/x
3. Step 3: Cross multiply
   609,156x = 1,339,812 × 1,339,812
4. Step 4: Simplify right side
   609,156x = 1,795,096,195,344
5. Step 5: Solve for x
   x = 1,795,096,195,344/609,156
6. Step 6: Final answer
   x = 2,946,857.94