Finding the Third Proportional to 86,262 and 188,516.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,262 : 188,516.25 = 188,516.25 : x
2. Step 2: Convert to fraction form
   86,262/188,516.25 = 188,516.25/x
3. Step 3: Cross multiply
   86,262x = 188,516.25 × 188,516.25
4. Step 4: Simplify right side
   86,262x = 35,538,376,514.06
5. Step 5: Solve for x
   x = 35,538,376,514.06/86,262
6. Step 6: Final answer
   x = 411,981.83