Finding the Third Proportional to 214,218 and 470,482

Step by Step Solution

1. Step 1: Write the proportion equation
   214,218 : 470,482 = 470,482 : x
2. Step 2: Convert to fraction form
   214,218/470,482 = 470,482/x
3. Step 3: Cross multiply
   214,218x = 470,482 × 470,482
4. Step 4: Simplify right side
   214,218x = 221,353,312,324
5. Step 5: Solve for x
   x = 221,353,312,324/214,218
6. Step 6: Final answer
   x = 1,033,308.65