Finding the Third Proportional to 219,026 and 472,828

Step by Step Solution

1. Step 1: Write the proportion equation
   219,026 : 472,828 = 472,828 : x
2. Step 2: Convert to fraction form
   219,026/472,828 = 472,828/x
3. Step 3: Cross multiply
   219,026x = 472,828 × 472,828
4. Step 4: Simplify right side
   219,026x = 223,566,317,584
5. Step 5: Solve for x
   x = 223,566,317,584/219,026
6. Step 6: Final answer
   x = 1,020,729.58