Finding the Third Proportional to 617,625 and 1,338,345

Step by Step Solution

1. Step 1: Write the proportion equation
   617,625 : 1,338,345 = 1,338,345 : x
2. Step 2: Convert to fraction form
   617,625/1,338,345 = 1,338,345/x
3. Step 3: Cross multiply
   617,625x = 1,338,345 × 1,338,345
4. Step 4: Simplify right side
   617,625x = 1,791,167,339,025
5. Step 5: Solve for x
   x = 1,791,167,339,025/617,625
6. Step 6: Final answer
   x = 2,900,088.79