Finding the Third Proportional to 219,314 and 478,844

Step by Step Solution

1. Step 1: Write the proportion equation
   219,314 : 478,844 = 478,844 : x
2. Step 2: Convert to fraction form
   219,314/478,844 = 478,844/x
3. Step 3: Cross multiply
   219,314x = 478,844 × 478,844
4. Step 4: Simplify right side
   219,314x = 229,291,576,336
5. Step 5: Solve for x
   x = 229,291,576,336/219,314
6. Step 6: Final answer
   x = 1,045,494.48