Finding the Third Proportional to 609,030 and 1,339,560

Step by Step Solution

1. Step 1: Write the proportion equation
   609,030 : 1,339,560 = 1,339,560 : x
2. Step 2: Convert to fraction form
   609,030/1,339,560 = 1,339,560/x
3. Step 3: Cross multiply
   609,030x = 1,339,560 × 1,339,560
4. Step 4: Simplify right side
   609,030x = 1,794,420,993,600
5. Step 5: Solve for x
   x = 1,794,420,993,600/609,030
6. Step 6: Final answer
   x = 2,946,358.95