Finding the Third Proportional to 190,809 and 296,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,809 : 296,716.50 = 296,716.50 : x
2. Step 2: Convert to fraction form
   190,809/296,716.50 = 296,716.50/x
3. Step 3: Cross multiply
   190,809x = 296,716.50 × 296,716.50
4. Step 4: Simplify right side
   190,809x = 88,040,681,372.25
5. Step 5: Solve for x
   x = 88,040,681,372.25/190,809
6. Step 6: Final answer
   x = 461,407.38