Finding the Third Proportional to 276,128 and 595,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,128 : 595,824.50 = 595,824.50 : x
2. Step 2: Convert to fraction form
   276,128/595,824.50 = 595,824.50/x
3. Step 3: Cross multiply
   276,128x = 595,824.50 × 595,824.50
4. Step 4: Simplify right side
   276,128x = 355,006,834,800.25
5. Step 5: Solve for x
   x = 355,006,834,800.25/276,128
6. Step 6: Final answer
   x = 1,285,660.40