Finding the Third Proportional to 190,923 and 288,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,923 : 288,796.50 = 288,796.50 : x
2. Step 2: Convert to fraction form
   190,923/288,796.50 = 288,796.50/x
3. Step 3: Cross multiply
   190,923x = 288,796.50 × 288,796.50
4. Step 4: Simplify right side
   190,923x = 83,403,418,412.25
5. Step 5: Solve for x
   x = 83,403,418,412.25/190,923
6. Step 6: Final answer
   x = 436,843.22