Finding the Third Proportional to 223,616 and 488,704

Step by Step Solution

1. Step 1: Write the proportion equation
   223,616 : 488,704 = 488,704 : x
2. Step 2: Convert to fraction form
   223,616/488,704 = 488,704/x
3. Step 3: Cross multiply
   223,616x = 488,704 × 488,704
4. Step 4: Simplify right side
   223,616x = 238,831,599,616
5. Step 5: Solve for x
   x = 238,831,599,616/223,616
6. Step 6: Final answer
   x = 1,068,043.43