Finding the Third Proportional to 997,080 and 2,162,400

Step by Step Solution

1. Step 1: Write the proportion equation
   997,080 : 2,162,400 = 2,162,400 : x
2. Step 2: Convert to fraction form
   997,080/2,162,400 = 2,162,400/x
3. Step 3: Cross multiply
   997,080x = 2,162,400 × 2,162,400
4. Step 4: Simplify right side
   997,080x = 4,675,973,760,000
5. Step 5: Solve for x
   x = 4,675,973,760,000/997,080
6. Step 6: Final answer
   x = 4,689,667.59