Finding the Third Proportional to 186,305 and 263,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,305 : 263,365.50 = 263,365.50 : x
2. Step 2: Convert to fraction form
   186,305/263,365.50 = 263,365.50/x
3. Step 3: Cross multiply
   186,305x = 263,365.50 × 263,365.50
4. Step 4: Simplify right side
   186,305x = 69,361,386,590.25
5. Step 5: Solve for x
   x = 69,361,386,590.25/186,305
6. Step 6: Final answer
   x = 372,300.19