Finding the Third Proportional to 236,261 and 363,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,261 : 363,141.50 = 363,141.50 : x
2. Step 2: Convert to fraction form
   236,261/363,141.50 = 363,141.50/x
3. Step 3: Cross multiply
   236,261x = 363,141.50 × 363,141.50
4. Step 4: Simplify right side
   236,261x = 131,871,749,022.25
5. Step 5: Solve for x
   x = 131,871,749,022.25/236,261
6. Step 6: Final answer
   x = 558,161.31