Finding the Third Proportional to 67,428 and 146,004

Step by Step Solution

1. Step 1: Write the proportion equation
   67,428 : 146,004 = 146,004 : x
2. Step 2: Convert to fraction form
   67,428/146,004 = 146,004/x
3. Step 3: Cross multiply
   67,428x = 146,004 × 146,004
4. Step 4: Simplify right side
   67,428x = 21,317,168,016
5. Step 5: Solve for x
   x = 21,317,168,016/67,428
6. Step 6: Final answer
   x = 316,147.12