Finding the Third Proportional to 51,622 and 78,914

Step by Step Solution

1. Step 1: Write the proportion equation
   51,622 : 78,914 = 78,914 : x
2. Step 2: Convert to fraction form
   51,622/78,914 = 78,914/x
3. Step 3: Cross multiply
   51,622x = 78,914 × 78,914
4. Step 4: Simplify right side
   51,622x = 6,227,419,396
5. Step 5: Solve for x
   x = 6,227,419,396/51,622
6. Step 6: Final answer
   x = 120,634.99