Finding the Third Proportional to 1,537,224 and 2,189,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,537,224 : 2,189,800 = 2,189,800 : x
2. Step 2: Convert to fraction form
   1,537,224/2,189,800 = 2,189,800/x
3. Step 3: Cross multiply
   1,537,224x = 2,189,800 × 2,189,800
4. Step 4: Simplify right side
   1,537,224x = 4,795,224,040,000
5. Step 5: Solve for x
   x = 4,795,224,040,000/1,537,224
6. Step 6: Final answer
   x = 3,119,404.88