Finding the Third Proportional to 117,270 and 276,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,270 : 276,556.50 = 276,556.50 : x
2. Step 2: Convert to fraction form
   117,270/276,556.50 = 276,556.50/x
3. Step 3: Cross multiply
   117,270x = 276,556.50 × 276,556.50
4. Step 4: Simplify right side
   117,270x = 76,483,497,692.25
5. Step 5: Solve for x
   x = 76,483,497,692.25/117,270
6. Step 6: Final answer
   x = 652,200.03