Finding the Third Proportional to 86,833.50 and 190,308

Step by Step Solution

1. Step 1: Write the proportion equation
   86,833.50 : 190,308 = 190,308 : x
2. Step 2: Convert to fraction form
   86,833.50/190,308 = 190,308/x
3. Step 3: Cross multiply
   86,833.50x = 190,308 × 190,308
4. Step 4: Simplify right side
   86,833.50x = 36,217,134,864
5. Step 5: Solve for x
   x = 36,217,134,864/86,833.50
6. Step 6: Final answer
   x = 417,087.12