Finding the Third Proportional to 69,103.50 and 145,170

Step by Step Solution

1. Step 1: Write the proportion equation
   69,103.50 : 145,170 = 145,170 : x
2. Step 2: Convert to fraction form
   69,103.50/145,170 = 145,170/x
3. Step 3: Cross multiply
   69,103.50x = 145,170 × 145,170
4. Step 4: Simplify right side
   69,103.50x = 21,074,328,900
5. Step 5: Solve for x
   x = 21,074,328,900/69,103.50
6. Step 6: Final answer
   x = 304,967.61