Finding the Third Proportional to 616,624 and 1,345,005

Step by Step Solution

1. Step 1: Write the proportion equation
   616,624 : 1,345,005 = 1,345,005 : x
2. Step 2: Convert to fraction form
   616,624/1,345,005 = 1,345,005/x
3. Step 3: Cross multiply
   616,624x = 1,345,005 × 1,345,005
4. Step 4: Simplify right side
   616,624x = 1,809,038,450,025
5. Step 5: Solve for x
   x = 1,809,038,450,025/616,624
6. Step 6: Final answer
   x = 2,933,778.85