Finding the Third Proportional to 69,964.50 and 149,910

Step by Step Solution

1. Step 1: Write the proportion equation
   69,964.50 : 149,910 = 149,910 : x
2. Step 2: Convert to fraction form
   69,964.50/149,910 = 149,910/x
3. Step 3: Cross multiply
   69,964.50x = 149,910 × 149,910
4. Step 4: Simplify right side
   69,964.50x = 22,473,008,100
5. Step 5: Solve for x
   x = 22,473,008,100/69,964.50
6. Step 6: Final answer
   x = 321,205.87