Finding the Third Proportional to 101,719.50 and 212,734

Step by Step Solution

1. Step 1: Write the proportion equation
   101,719.50 : 212,734 = 212,734 : x
2. Step 2: Convert to fraction form
   101,719.50/212,734 = 212,734/x
3. Step 3: Cross multiply
   101,719.50x = 212,734 × 212,734
4. Step 4: Simplify right side
   101,719.50x = 45,255,754,756
5. Step 5: Solve for x
   x = 45,255,754,756/101,719.50
6. Step 6: Final answer
   x = 444,907.37