Finding the Third Proportional to 224,368 and 478,672

Step by Step Solution

1. Step 1: Write the proportion equation
   224,368 : 478,672 = 478,672 : x
2. Step 2: Convert to fraction form
   224,368/478,672 = 478,672/x
3. Step 3: Cross multiply
   224,368x = 478,672 × 478,672
4. Step 4: Simplify right side
   224,368x = 229,126,883,584
5. Step 5: Solve for x
   x = 229,126,883,584/224,368
6. Step 6: Final answer
   x = 1,021,210.17