Finding the Third Proportional to 142,496 and 304,060

Step by Step Solution

1. Step 1: Write the proportion equation
   142,496 : 304,060 = 304,060 : x
2. Step 2: Convert to fraction form
   142,496/304,060 = 304,060/x
3. Step 3: Cross multiply
   142,496x = 304,060 × 304,060
4. Step 4: Simplify right side
   142,496x = 92,452,483,600
5. Step 5: Solve for x
   x = 92,452,483,600/142,496
6. Step 6: Final answer
   x = 648,807.57