Finding the Third Proportional to 69,238.50 and 149,007

Step by Step Solution

1. Step 1: Write the proportion equation
   69,238.50 : 149,007 = 149,007 : x
2. Step 2: Convert to fraction form
   69,238.50/149,007 = 149,007/x
3. Step 3: Cross multiply
   69,238.50x = 149,007 × 149,007
4. Step 4: Simplify right side
   69,238.50x = 22,203,086,049
5. Step 5: Solve for x
   x = 22,203,086,049/69,238.50
6. Step 6: Final answer
   x = 320,675.43