Finding the Third Proportional to 583,700 and 1,278,116

Step by Step Solution

1. Step 1: Write the proportion equation
   583,700 : 1,278,116 = 1,278,116 : x
2. Step 2: Convert to fraction form
   583,700/1,278,116 = 1,278,116/x
3. Step 3: Cross multiply
   583,700x = 1,278,116 × 1,278,116
4. Step 4: Simplify right side
   583,700x = 1,633,580,509,456
5. Step 5: Solve for x
   x = 1,633,580,509,456/583,700
6. Step 6: Final answer
   x = 2,798,664.57