Finding the Third Proportional to 336,672 and 501,984

Step by Step Solution

1. Step 1: Write the proportion equation
   336,672 : 501,984 = 501,984 : x
2. Step 2: Convert to fraction form
   336,672/501,984 = 501,984/x
3. Step 3: Cross multiply
   336,672x = 501,984 × 501,984
4. Step 4: Simplify right side
   336,672x = 251,987,936,256
5. Step 5: Solve for x
   x = 251,987,936,256/336,672
6. Step 6: Final answer
   x = 748,467.16