Finding the Third Proportional to 519,646 and 1,116,648

Step by Step Solution

1. Step 1: Write the proportion equation
   519,646 : 1,116,648 = 1,116,648 : x
2. Step 2: Convert to fraction form
   519,646/1,116,648 = 1,116,648/x
3. Step 3: Cross multiply
   519,646x = 1,116,648 × 1,116,648
4. Step 4: Simplify right side
   519,646x = 1,246,902,755,904
5. Step 5: Solve for x
   x = 1,246,902,755,904/519,646
6. Step 6: Final answer
   x = 2,399,523.44