Finding the Third Proportional to 214,182 and 300,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   214,182 : 300,859.50 = 300,859.50 : x
2. Step 2: Convert to fraction form
   214,182/300,859.50 = 300,859.50/x
3. Step 3: Cross multiply
   214,182x = 300,859.50 × 300,859.50
4. Step 4: Simplify right side
   214,182x = 90,516,438,740.25
5. Step 5: Solve for x
   x = 90,516,438,740.25/214,182
6. Step 6: Final answer
   x = 422,614.59