Finding the Third Proportional to 69,105 and 145,173

Step by Step Solution

1. Step 1: Write the proportion equation
   69,105 : 145,173 = 145,173 : x
2. Step 2: Convert to fraction form
   69,105/145,173 = 145,173/x
3. Step 3: Cross multiply
   69,105x = 145,173 × 145,173
4. Step 4: Simplify right side
   69,105x = 21,075,199,929
5. Step 5: Solve for x
   x = 21,075,199,929/69,105
6. Step 6: Final answer
   x = 304,973.59