Finding the Third Proportional to 140,128.50 and 223,077

Step by Step Solution

1. Step 1: Write the proportion equation
   140,128.50 : 223,077 = 223,077 : x
2. Step 2: Convert to fraction form
   140,128.50/223,077 = 223,077/x
3. Step 3: Cross multiply
   140,128.50x = 223,077 × 223,077
4. Step 4: Simplify right side
   140,128.50x = 49,763,347,929
5. Step 5: Solve for x
   x = 49,763,347,929/140,128.50
6. Step 6: Final answer
   x = 355,126.53