Finding the Third Proportional to 1,009,559 and 2,159,194

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,559 : 2,159,194 = 2,159,194 : x
2. Step 2: Convert to fraction form
   1,009,559/2,159,194 = 2,159,194/x
3. Step 3: Cross multiply
   1,009,559x = 2,159,194 × 2,159,194
4. Step 4: Simplify right side
   1,009,559x = 4,662,118,729,636
5. Step 5: Solve for x
   x = 4,662,118,729,636/1,009,559
6. Step 6: Final answer
   x = 4,617,975.50