Finding the Third Proportional to 69,336 and 149,357.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,336 : 149,357.25 = 149,357.25 : x
2. Step 2: Convert to fraction form
   69,336/149,357.25 = 149,357.25/x
3. Step 3: Cross multiply
   69,336x = 149,357.25 × 149,357.25
4. Step 4: Simplify right side
   69,336x = 22,307,588,127.56
5. Step 5: Solve for x
   x = 22,307,588,127.56/69,336
6. Step 6: Final answer
   x = 321,731.69