Finding the Third Proportional to 584,831 and 881,566.75

Step by Step Solution

1. Step 1: Write the proportion equation
   584,831 : 881,566.75 = 881,566.75 : x
2. Step 2: Convert to fraction form
   584,831/881,566.75 = 881,566.75/x
3. Step 3: Cross multiply
   584,831x = 881,566.75 × 881,566.75
4. Step 4: Simplify right side
   584,831x = 777,159,934,705.56
5. Step 5: Solve for x
   x = 777,159,934,705.56/584,831
6. Step 6: Final answer
   x = 1,328,862.41