Finding the Third Proportional to 57,069 and 120,510

Step by Step Solution

1. Step 1: Write the proportion equation
   57,069 : 120,510 = 120,510 : x
2. Step 2: Convert to fraction form
   57,069/120,510 = 120,510/x
3. Step 3: Cross multiply
   57,069x = 120,510 × 120,510
4. Step 4: Simplify right side
   57,069x = 14,522,660,100
5. Step 5: Solve for x
   x = 14,522,660,100/57,069
6. Step 6: Final answer
   x = 254,475.46