Finding the Third Proportional to 1,188,450 and 2,561,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,450 : 2,561,700 = 2,561,700 : x
2. Step 2: Convert to fraction form
   1,188,450/2,561,700 = 2,561,700/x
3. Step 3: Cross multiply
   1,188,450x = 2,561,700 × 2,561,700
4. Step 4: Simplify right side
   1,188,450x = 6,562,306,890,000
5. Step 5: Solve for x
   x = 6,562,306,890,000/1,188,450
6. Step 6: Final answer
   x = 5,521,735.78