Finding the Third Proportional to 60,740 and 130,399

Step by Step Solution

1. Step 1: Write the proportion equation
   60,740 : 130,399 = 130,399 : x
2. Step 2: Convert to fraction form
   60,740/130,399 = 130,399/x
3. Step 3: Cross multiply
   60,740x = 130,399 × 130,399
4. Step 4: Simplify right side
   60,740x = 17,003,899,201
5. Step 5: Solve for x
   x = 17,003,899,201/60,740
6. Step 6: Final answer
   x = 279,945.66