Finding the Third Proportional to 140,271 and 217,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,271 : 217,300.50 = 217,300.50 : x
2. Step 2: Convert to fraction form
   140,271/217,300.50 = 217,300.50/x
3. Step 3: Cross multiply
   140,271x = 217,300.50 × 217,300.50
4. Step 4: Simplify right side
   140,271x = 47,219,507,300.25
5. Step 5: Solve for x
   x = 47,219,507,300.25/140,271
6. Step 6: Final answer
   x = 336,630.57