Finding the Third Proportional to 50,072 and 70,000

Step by Step Solution

1. Step 1: Write the proportion equation
   50,072 : 70,000 = 70,000 : x
2. Step 2: Convert to fraction form
   50,072/70,000 = 70,000/x
3. Step 3: Cross multiply
   50,072x = 70,000 × 70,000
4. Step 4: Simplify right side
   50,072x = 4,900,000,000
5. Step 5: Solve for x
   x = 4,900,000,000/50,072
6. Step 6: Final answer
   x = 97,859.08