Finding the Third Proportional to 273,102 and 559,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   273,102 : 559,321.50 = 559,321.50 : x
2. Step 2: Convert to fraction form
   273,102/559,321.50 = 559,321.50/x
3. Step 3: Cross multiply
   273,102x = 559,321.50 × 559,321.50
4. Step 4: Simplify right side
   273,102x = 312,840,540,362.25
5. Step 5: Solve for x
   x = 312,840,540,362.25/273,102
6. Step 6: Final answer
   x = 1,145,508.05