Finding the Third Proportional to 238,844 and 521,976

Step by Step Solution

1. Step 1: Write the proportion equation
   238,844 : 521,976 = 521,976 : x
2. Step 2: Convert to fraction form
   238,844/521,976 = 521,976/x
3. Step 3: Cross multiply
   238,844x = 521,976 × 521,976
4. Step 4: Simplify right side
   238,844x = 272,458,944,576
5. Step 5: Solve for x
   x = 272,458,944,576/238,844
6. Step 6: Final answer
   x = 1,140,740.17