Finding the Third Proportional to 625,620 and 1,339,800

Step by Step Solution

1. Step 1: Write the proportion equation
   625,620 : 1,339,800 = 1,339,800 : x
2. Step 2: Convert to fraction form
   625,620/1,339,800 = 1,339,800/x
3. Step 3: Cross multiply
   625,620x = 1,339,800 × 1,339,800
4. Step 4: Simplify right side
   625,620x = 1,795,064,040,000
5. Step 5: Solve for x
   x = 1,795,064,040,000/625,620
6. Step 6: Final answer
   x = 2,869,256.16