Finding the Third Proportional to 245,622 and 372,105

Step by Step Solution

1. Step 1: Write the proportion equation
   245,622 : 372,105 = 372,105 : x
2. Step 2: Convert to fraction form
   245,622/372,105 = 372,105/x
3. Step 3: Cross multiply
   245,622x = 372,105 × 372,105
4. Step 4: Simplify right side
   245,622x = 138,462,131,025
5. Step 5: Solve for x
   x = 138,462,131,025/245,622
6. Step 6: Final answer
   x = 563,720.40