Finding the Third Proportional to 50,437 and 70,686

Step by Step Solution

1. Step 1: Write the proportion equation
   50,437 : 70,686 = 70,686 : x
2. Step 2: Convert to fraction form
   50,437/70,686 = 70,686/x
3. Step 3: Cross multiply
   50,437x = 70,686 × 70,686
4. Step 4: Simplify right side
   50,437x = 4,996,510,596
5. Step 5: Solve for x
   x = 4,996,510,596/50,437
6. Step 6: Final answer
   x = 99,064.39