Finding the Third Proportional to 228,946.31 and 336,559.69

Step by Step Solution

1. Step 1: Write the proportion equation
   228,946.31 : 336,559.69 = 336,559.69 : x
2. Step 2: Convert to fraction form
   228,946.31/336,559.69 = 336,559.69/x
3. Step 3: Cross multiply
   228,946.31x = 336,559.69 × 336,559.69
4. Step 4: Simplify right side
   228,946.31x = 113,272,423,250.10
5. Step 5: Solve for x
   x = 113,272,423,250.10/228,946.31
6. Step 6: Final answer
   x = 494,755.39