Finding the Third Proportional to 858,260.50 and 1,261,116

Step by Step Solution

1. Step 1: Write the proportion equation
   858,260.50 : 1,261,116 = 1,261,116 : x
2. Step 2: Convert to fraction form
   858,260.50/1,261,116 = 1,261,116/x
3. Step 3: Cross multiply
   858,260.50x = 1,261,116 × 1,261,116
4. Step 4: Simplify right side
   858,260.50x = 1,590,413,565,456
5. Step 5: Solve for x
   x = 1,590,413,565,456/858,260.50
6. Step 6: Final answer
   x = 1,853,066.25