Finding the Third Proportional to 86,895 and 190,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,895 : 190,399.50 = 190,399.50 : x
2. Step 2: Convert to fraction form
   86,895/190,399.50 = 190,399.50/x
3. Step 3: Cross multiply
   86,895x = 190,399.50 × 190,399.50
4. Step 4: Simplify right side
   86,895x = 36,251,969,600.25
5. Step 5: Solve for x
   x = 36,251,969,600.25/86,895
6. Step 6: Final answer
   x = 417,192.81