Finding the Third Proportional to 168,451.50 and 368,554

Step by Step Solution

1. Step 1: Write the proportion equation
   168,451.50 : 368,554 = 368,554 : x
2. Step 2: Convert to fraction form
   168,451.50/368,554 = 368,554/x
3. Step 3: Cross multiply
   168,451.50x = 368,554 × 368,554
4. Step 4: Simplify right side
   168,451.50x = 135,832,050,916
5. Step 5: Solve for x
   x = 135,832,050,916/168,451.50
6. Step 6: Final answer
   x = 806,357.03