Finding the Third Proportional to 238,848 and 521,984

Step by Step Solution

1. Step 1: Write the proportion equation
   238,848 : 521,984 = 521,984 : x
2. Step 2: Convert to fraction form
   238,848/521,984 = 521,984/x
3. Step 3: Cross multiply
   238,848x = 521,984 × 521,984
4. Step 4: Simplify right side
   238,848x = 272,467,296,256
5. Step 5: Solve for x
   x = 272,467,296,256/238,848
6. Step 6: Final answer
   x = 1,140,756.03