Finding the Third Proportional to 86,785.50 and 190,216

Step by Step Solution

1. Step 1: Write the proportion equation
   86,785.50 : 190,216 = 190,216 : x
2. Step 2: Convert to fraction form
   86,785.50/190,216 = 190,216/x
3. Step 3: Cross multiply
   86,785.50x = 190,216 × 190,216
4. Step 4: Simplify right side
   86,785.50x = 36,182,126,656
5. Step 5: Solve for x
   x = 36,182,126,656/86,785.50
6. Step 6: Final answer
   x = 416,914.42