Finding the Third Proportional to 69,904.69 and 149,605.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,904.69 : 149,605.31 = 149,605.31 : x
2. Step 2: Convert to fraction form
   69,904.69/149,605.31 = 149,605.31/x
3. Step 3: Cross multiply
   69,904.69x = 149,605.31 × 149,605.31
4. Step 4: Simplify right side
   69,904.69x = 22,381,749,528.22
5. Step 5: Solve for x
   x = 22,381,749,528.22/69,904.69
6. Step 6: Final answer
   x = 320,175.23