Finding the Third Proportional to 219,224 and 478,122

Step by Step Solution

1. Step 1: Write the proportion equation
   219,224 : 478,122 = 478,122 : x
2. Step 2: Convert to fraction form
   219,224/478,122 = 478,122/x
3. Step 3: Cross multiply
   219,224x = 478,122 × 478,122
4. Step 4: Simplify right side
   219,224x = 228,600,646,884
5. Step 5: Solve for x
   x = 228,600,646,884/219,224
6. Step 6: Final answer
   x = 1,042,771.99