Finding the Third Proportional to 101,710.50 and 212,716

Step by Step Solution

1. Step 1: Write the proportion equation
   101,710.50 : 212,716 = 212,716 : x
2. Step 2: Convert to fraction form
   101,710.50/212,716 = 212,716/x
3. Step 3: Cross multiply
   101,710.50x = 212,716 × 212,716
4. Step 4: Simplify right side
   101,710.50x = 45,248,096,656
5. Step 5: Solve for x
   x = 45,248,096,656/101,710.50
6. Step 6: Final answer
   x = 444,871.44