Finding the Third Proportional to 117,048 and 276,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,048 : 276,133.50 = 276,133.50 : x
2. Step 2: Convert to fraction form
   117,048/276,133.50 = 276,133.50/x
3. Step 3: Cross multiply
   117,048x = 276,133.50 × 276,133.50
4. Step 4: Simplify right side
   117,048x = 76,249,709,822.25
5. Step 5: Solve for x
   x = 76,249,709,822.25/117,048
6. Step 6: Final answer
   x = 651,439.66