Finding the Third Proportional to 127,356 and 276,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,356 : 276,823.50 = 276,823.50 : x
2. Step 2: Convert to fraction form
   127,356/276,823.50 = 276,823.50/x
3. Step 3: Cross multiply
   127,356x = 276,823.50 × 276,823.50
4. Step 4: Simplify right side
   127,356x = 76,631,250,152.25
5. Step 5: Solve for x
   x = 76,631,250,152.25/127,356
6. Step 6: Final answer
   x = 601,708.99