Finding the Third Proportional to 136,906.50 and 204,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   136,906.50 : 204,799.50 = 204,799.50 : x
2. Step 2: Convert to fraction form
   136,906.50/204,799.50 = 204,799.50/x
3. Step 3: Cross multiply
   136,906.50x = 204,799.50 × 204,799.50
4. Step 4: Simplify right side
   136,906.50x = 41,942,835,200.25
5. Step 5: Solve for x
   x = 41,942,835,200.25/136,906.50
6. Step 6: Final answer
   x = 306,361.17