Finding the Third Proportional to 225,091.50 and 343,354

Step by Step Solution

1. Step 1: Write the proportion equation
   225,091.50 : 343,354 = 343,354 : x
2. Step 2: Convert to fraction form
   225,091.50/343,354 = 343,354/x
3. Step 3: Cross multiply
   225,091.50x = 343,354 × 343,354
4. Step 4: Simplify right side
   225,091.50x = 117,891,969,316
5. Step 5: Solve for x
   x = 117,891,969,316/225,091.50
6. Step 6: Final answer
   x = 523,751.32