Finding the Third Proportional to 214,740 and 485,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,740 : 485,158.50 = 485,158.50 : x
2. Step 2: Convert to fraction form
   214,740/485,158.50 = 485,158.50/x
3. Step 3: Cross multiply
   214,740x = 485,158.50 × 485,158.50
4. Step 4: Simplify right side
   214,740x = 235,378,770,122.25
5. Step 5: Solve for x
   x = 235,378,770,122.25/214,740
6. Step 6: Final answer
   x = 1,096,110.51