Finding the Third Proportional to 1,226,800 and 2,669,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,226,800 : 2,669,600 = 2,669,600 : x
2. Step 2: Convert to fraction form
   1,226,800/2,669,600 = 2,669,600/x
3. Step 3: Cross multiply
   1,226,800x = 2,669,600 × 2,669,600
4. Step 4: Simplify right side
   1,226,800x = 7,126,764,160,000
5. Step 5: Solve for x
   x = 7,126,764,160,000/1,226,800
6. Step 6: Final answer
   x = 5,809,230.65