Finding the Third Proportional to 122,985 and 180,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,985 : 180,103.50 = 180,103.50 : x
2. Step 2: Convert to fraction form
   122,985/180,103.50 = 180,103.50/x
3. Step 3: Cross multiply
   122,985x = 180,103.50 × 180,103.50
4. Step 4: Simplify right side
   122,985x = 32,437,270,712.25
5. Step 5: Solve for x
   x = 32,437,270,712.25/122,985
6. Step 6: Final answer
   x = 263,749.81