Finding the Third Proportional to 1,222,872 and 2,500,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,872 : 2,500,176 = 2,500,176 : x
2. Step 2: Convert to fraction form
   1,222,872/2,500,176 = 2,500,176/x
3. Step 3: Cross multiply
   1,222,872x = 2,500,176 × 2,500,176
4. Step 4: Simplify right side
   1,222,872x = 6,250,880,030,976
5. Step 5: Solve for x
   x = 6,250,880,030,976/1,222,872
6. Step 6: Final answer
   x = 5,111,638.86