Finding the Third Proportional to 50,401.50 and 70,641

Step by Step Solution

1. Step 1: Write the proportion equation
   50,401.50 : 70,641 = 70,641 : x
2. Step 2: Convert to fraction form
   50,401.50/70,641 = 70,641/x
3. Step 3: Cross multiply
   50,401.50x = 70,641 × 70,641
4. Step 4: Simplify right side
   50,401.50x = 4,990,150,881
5. Step 5: Solve for x
   x = 4,990,150,881/50,401.50
6. Step 6: Final answer
   x = 99,007.98