Finding the Third Proportional to 134,799 and 208,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,799 : 208,765.50 = 208,765.50 : x
2. Step 2: Convert to fraction form
   134,799/208,765.50 = 208,765.50/x
3. Step 3: Cross multiply
   134,799x = 208,765.50 × 208,765.50
4. Step 4: Simplify right side
   134,799x = 43,583,033,990.25
5. Step 5: Solve for x
   x = 43,583,033,990.25/134,799
6. Step 6: Final answer
   x = 323,318.67