Finding the Third Proportional to 190,988.25 and 404,743.38

Step by Step Solution

1. Step 1: Write the proportion equation
   190,988.25 : 404,743.38 = 404,743.38 : x
2. Step 2: Convert to fraction form
   190,988.25/404,743.38 = 404,743.38/x
3. Step 3: Cross multiply
   190,988.25x = 404,743.38 × 404,743.38
4. Step 4: Simplify right side
   190,988.25x = 163,817,199,606.39
5. Step 5: Solve for x
   x = 163,817,199,606.39/190,988.25
6. Step 6: Final answer
   x = 857,734.44