Finding the Third Proportional to 219,272 and 469,648

Step by Step Solution

1. Step 1: Write the proportion equation
   219,272 : 469,648 = 469,648 : x
2. Step 2: Convert to fraction form
   219,272/469,648 = 469,648/x
3. Step 3: Cross multiply
   219,272x = 469,648 × 469,648
4. Step 4: Simplify right side
   219,272x = 220,569,243,904
5. Step 5: Solve for x
   x = 220,569,243,904/219,272
6. Step 6: Final answer
   x = 1,005,916.14