Finding the Third Proportional to 136,055 and 204,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,055 : 204,219.50 = 204,219.50 : x
2. Step 2: Convert to fraction form
   136,055/204,219.50 = 204,219.50/x
3. Step 3: Cross multiply
   136,055x = 204,219.50 × 204,219.50
4. Step 4: Simplify right side
   136,055x = 41,705,604,180.25
5. Step 5: Solve for x
   x = 41,705,604,180.25/136,055
6. Step 6: Final answer
   x = 306,534.89