Finding the Third Proportional to 233,316 and 345,054

Step by Step Solution

1. Step 1: Write the proportion equation
   233,316 : 345,054 = 345,054 : x
2. Step 2: Convert to fraction form
   233,316/345,054 = 345,054/x
3. Step 3: Cross multiply
   233,316x = 345,054 × 345,054
4. Step 4: Simplify right side
   233,316x = 119,062,262,916
5. Step 5: Solve for x
   x = 119,062,262,916/233,316
6. Step 6: Final answer
   x = 510,304.75