Finding the Third Proportional to 229,061.25 and 356,679

Step by Step Solution

1. Step 1: Write the proportion equation
   229,061.25 : 356,679 = 356,679 : x
2. Step 2: Convert to fraction form
   229,061.25/356,679 = 356,679/x
3. Step 3: Cross multiply
   229,061.25x = 356,679 × 356,679
4. Step 4: Simplify right side
   229,061.25x = 127,219,909,041
5. Step 5: Solve for x
   x = 127,219,909,041/229,061.25
6. Step 6: Final answer
   x = 555,396.90