Finding the Third Proportional to 517,906 and 1,129,960

Step by Step Solution

1. Step 1: Write the proportion equation
   517,906 : 1,129,960 = 1,129,960 : x
2. Step 2: Convert to fraction form
   517,906/1,129,960 = 1,129,960/x
3. Step 3: Cross multiply
   517,906x = 1,129,960 × 1,129,960
4. Step 4: Simplify right side
   517,906x = 1,276,809,601,600
5. Step 5: Solve for x
   x = 1,276,809,601,600/517,906
6. Step 6: Final answer
   x = 2,465,330.78