Finding the Third Proportional to 72,798 and 154,342

Step by Step Solution

1. Step 1: Write the proportion equation
   72,798 : 154,342 = 154,342 : x
2. Step 2: Convert to fraction form
   72,798/154,342 = 154,342/x
3. Step 3: Cross multiply
   72,798x = 154,342 × 154,342
4. Step 4: Simplify right side
   72,798x = 23,821,452,964
5. Step 5: Solve for x
   x = 23,821,452,964/72,798
6. Step 6: Final answer
   x = 327,226.75