Finding the Third Proportional to 181,818 and 395,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,818 : 395,680.50 = 395,680.50 : x
2. Step 2: Convert to fraction form
   181,818/395,680.50 = 395,680.50/x
3. Step 3: Cross multiply
   181,818x = 395,680.50 × 395,680.50
4. Step 4: Simplify right side
   181,818x = 156,563,058,080.25
5. Step 5: Solve for x
   x = 156,563,058,080.25/181,818
6. Step 6: Final answer
   x = 861,097.68