Finding the Third Proportional to 48,912 and 69,960

Step by Step Solution

1. Step 1: Write the proportion equation
   48,912 : 69,960 = 69,960 : x
2. Step 2: Convert to fraction form
   48,912/69,960 = 69,960/x
3. Step 3: Cross multiply
   48,912x = 69,960 × 69,960
4. Step 4: Simplify right side
   48,912x = 4,894,401,600
5. Step 5: Solve for x
   x = 4,894,401,600/48,912
6. Step 6: Final answer
   x = 100,065.46