Finding the Third Proportional to 89,149.50 and 190,323

Step by Step Solution

1. Step 1: Write the proportion equation
   89,149.50 : 190,323 = 190,323 : x
2. Step 2: Convert to fraction form
   89,149.50/190,323 = 190,323/x
3. Step 3: Cross multiply
   89,149.50x = 190,323 × 190,323
4. Step 4: Simplify right side
   89,149.50x = 36,222,844,329
5. Step 5: Solve for x
   x = 36,222,844,329/89,149.50
6. Step 6: Final answer
   x = 406,315.73