Finding the Third Proportional to 515,452 and 1,045,400

Step by Step Solution

1. Step 1: Write the proportion equation
   515,452 : 1,045,400 = 1,045,400 : x
2. Step 2: Convert to fraction form
   515,452/1,045,400 = 1,045,400/x
3. Step 3: Cross multiply
   515,452x = 1,045,400 × 1,045,400
4. Step 4: Simplify right side
   515,452x = 1,092,861,160,000
5. Step 5: Solve for x
   x = 1,092,861,160,000/515,452
6. Step 6: Final answer
   x = 2,120,199.67