Finding the Third Proportional to 188,955 and 264,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,955 : 264,172.50 = 264,172.50 : x
2. Step 2: Convert to fraction form
   188,955/264,172.50 = 264,172.50/x
3. Step 3: Cross multiply
   188,955x = 264,172.50 × 264,172.50
4. Step 4: Simplify right side
   188,955x = 69,787,109,756.25
5. Step 5: Solve for x
   x = 69,787,109,756.25/188,955
6. Step 6: Final answer
   x = 369,331.90