Finding the Third Proportional to 256,338 and 552,119.06

Step by Step Solution

1. Step 1: Write the proportion equation
   256,338 : 552,119.06 = 552,119.06 : x
2. Step 2: Convert to fraction form
   256,338/552,119.06 = 552,119.06/x
3. Step 3: Cross multiply
   256,338x = 552,119.06 × 552,119.06
4. Step 4: Simplify right side
   256,338x = 304,835,459,175.88
5. Step 5: Solve for x
   x = 304,835,459,175.88/256,338
6. Step 6: Final answer
   x = 1,189,193.41