Finding the Third Proportional to 205,173 and 306,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   205,173 : 306,940.50 = 306,940.50 : x
2. Step 2: Convert to fraction form
   205,173/306,940.50 = 306,940.50/x
3. Step 3: Cross multiply
   205,173x = 306,940.50 × 306,940.50
4. Step 4: Simplify right side
   205,173x = 94,212,470,540.25
5. Step 5: Solve for x
   x = 94,212,470,540.25/205,173
6. Step 6: Final answer
   x = 459,185.52