Finding the Third Proportional to 610,518 and 1,342,839

Step by Step Solution

1. Step 1: Write the proportion equation
   610,518 : 1,342,839 = 1,342,839 : x
2. Step 2: Convert to fraction form
   610,518/1,342,839 = 1,342,839/x
3. Step 3: Cross multiply
   610,518x = 1,342,839 × 1,342,839
4. Step 4: Simplify right side
   610,518x = 1,803,216,579,921
5. Step 5: Solve for x
   x = 1,803,216,579,921/610,518
6. Step 6: Final answer
   x = 2,953,584.63