Finding the Third Proportional to 1,219,176 and 2,638,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,176 : 2,638,800 = 2,638,800 : x
2. Step 2: Convert to fraction form
   1,219,176/2,638,800 = 2,638,800/x
3. Step 3: Cross multiply
   1,219,176x = 2,638,800 × 2,638,800
4. Step 4: Simplify right side
   1,219,176x = 6,963,265,440,000
5. Step 5: Solve for x
   x = 6,963,265,440,000/1,219,176
6. Step 6: Final answer
   x = 5,711,452.19