Finding the Third Proportional to 73,326 and 140,820

Step by Step Solution

1. Step 1: Write the proportion equation
   73,326 : 140,820 = 140,820 : x
2. Step 2: Convert to fraction form
   73,326/140,820 = 140,820/x
3. Step 3: Cross multiply
   73,326x = 140,820 × 140,820
4. Step 4: Simplify right side
   73,326x = 19,830,272,400
5. Step 5: Solve for x
   x = 19,830,272,400/73,326
6. Step 6: Final answer
   x = 270,439.85