Finding the Third Proportional to 67,356 and 146,360

Step by Step Solution

1. Step 1: Write the proportion equation
   67,356 : 146,360 = 146,360 : x
2. Step 2: Convert to fraction form
   67,356/146,360 = 146,360/x
3. Step 3: Cross multiply
   67,356x = 146,360 × 146,360
4. Step 4: Simplify right side
   67,356x = 21,421,249,600
5. Step 5: Solve for x
   x = 21,421,249,600/67,356
6. Step 6: Final answer
   x = 318,030.31