Finding the Third Proportional to 136,020 and 204,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,020 : 204,030.50 = 204,030.50 : x
2. Step 2: Convert to fraction form
   136,020/204,030.50 = 204,030.50/x
3. Step 3: Cross multiply
   136,020x = 204,030.50 × 204,030.50
4. Step 4: Simplify right side
   136,020x = 41,628,444,930.25
5. Step 5: Solve for x
   x = 41,628,444,930.25/136,020
6. Step 6: Final answer
   x = 306,046.50