Finding the Third Proportional to 515,409.75 and 1,122,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   515,409.75 : 1,122,300.56 = 1,122,300.56 : x
2. Step 2: Convert to fraction form
   515,409.75/1,122,300.56 = 1,122,300.56/x
3. Step 3: Cross multiply
   515,409.75x = 1,122,300.56 × 1,122,300.56
4. Step 4: Simplify right side
   515,409.75x = 1,259,558,552,587.82
5. Step 5: Solve for x
   x = 1,259,558,552,587.82/515,409.75
6. Step 6: Final answer
   x = 2,443,800.40