Finding the Third Proportional to 140,500.50 and 214,248

Step by Step Solution

1. Step 1: Write the proportion equation
   140,500.50 : 214,248 = 214,248 : x
2. Step 2: Convert to fraction form
   140,500.50/214,248 = 214,248/x
3. Step 3: Cross multiply
   140,500.50x = 214,248 × 214,248
4. Step 4: Simplify right side
   140,500.50x = 45,902,205,504
5. Step 5: Solve for x
   x = 45,902,205,504/140,500.50
6. Step 6: Final answer
   x = 326,704.93