Finding the Third Proportional to 194,370.50 and 317,390

Step by Step Solution

1. Step 1: Write the proportion equation
   194,370.50 : 317,390 = 317,390 : x
2. Step 2: Convert to fraction form
   194,370.50/317,390 = 317,390/x
3. Step 3: Cross multiply
   194,370.50x = 317,390 × 317,390
4. Step 4: Simplify right side
   194,370.50x = 100,736,412,100
5. Step 5: Solve for x
   x = 100,736,412,100/194,370.50
6. Step 6: Final answer
   x = 518,270.07