Finding the Third Proportional to 219,367.50 and 478,884

Step by Step Solution

1. Step 1: Write the proportion equation
   219,367.50 : 478,884 = 478,884 : x
2. Step 2: Convert to fraction form
   219,367.50/478,884 = 478,884/x
3. Step 3: Cross multiply
   219,367.50x = 478,884 × 478,884
4. Step 4: Simplify right side
   219,367.50x = 229,329,885,456
5. Step 5: Solve for x
   x = 229,329,885,456/219,367.50
6. Step 6: Final answer
   x = 1,045,414.14