Finding the Third Proportional to 128,093 and 204,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,093 : 204,631.50 = 204,631.50 : x
2. Step 2: Convert to fraction form
   128,093/204,631.50 = 204,631.50/x
3. Step 3: Cross multiply
   128,093x = 204,631.50 × 204,631.50
4. Step 4: Simplify right side
   128,093x = 41,874,050,792.25
5. Step 5: Solve for x
   x = 41,874,050,792.25/128,093
6. Step 6: Final answer
   x = 326,903.51