Finding the Third Proportional to 229,498.31 and 379,262.25

Step by Step Solution

1. Step 1: Write the proportion equation
   229,498.31 : 379,262.25 = 379,262.25 : x
2. Step 2: Convert to fraction form
   229,498.31/379,262.25 = 379,262.25/x
3. Step 3: Cross multiply
   229,498.31x = 379,262.25 × 379,262.25
4. Step 4: Simplify right side
   229,498.31x = 143,839,854,275.06
5. Step 5: Solve for x
   x = 143,839,854,275.06/229,498.31
6. Step 6: Final answer
   x = 626,757.79