Finding the Third Proportional to 245,640.50 and 372,892

Step by Step Solution

1. Step 1: Write the proportion equation
   245,640.50 : 372,892 = 372,892 : x
2. Step 2: Convert to fraction form
   245,640.50/372,892 = 372,892/x
3. Step 3: Cross multiply
   245,640.50x = 372,892 × 372,892
4. Step 4: Simplify right side
   245,640.50x = 139,048,443,664
5. Step 5: Solve for x
   x = 139,048,443,664/245,640.50
6. Step 6: Final answer
   x = 566,064.81