Finding the Third Proportional to 583,132 and 1,212,818

Step by Step Solution

1. Step 1: Write the proportion equation
   583,132 : 1,212,818 = 1,212,818 : x
2. Step 2: Convert to fraction form
   583,132/1,212,818 = 1,212,818/x
3. Step 3: Cross multiply
   583,132x = 1,212,818 × 1,212,818
4. Step 4: Simplify right side
   583,132x = 1,470,927,501,124
5. Step 5: Solve for x
   x = 1,470,927,501,124/583,132
6. Step 6: Final answer
   x = 2,522,460.61