Finding the Third Proportional to 190,563 and 261,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,563 : 261,544.50 = 261,544.50 : x
2. Step 2: Convert to fraction form
   190,563/261,544.50 = 261,544.50/x
3. Step 3: Cross multiply
   190,563x = 261,544.50 × 261,544.50
4. Step 4: Simplify right side
   190,563x = 68,405,525,480.25
5. Step 5: Solve for x
   x = 68,405,525,480.25/190,563
6. Step 6: Final answer
   x = 358,965.41