Finding the Third Proportional to 148,398 and 329,988

Step by Step Solution

1. Step 1: Write the proportion equation
   148,398 : 329,988 = 329,988 : x
2. Step 2: Convert to fraction form
   148,398/329,988 = 329,988/x
3. Step 3: Cross multiply
   148,398x = 329,988 × 329,988
4. Step 4: Simplify right side
   148,398x = 108,892,080,144
5. Step 5: Solve for x
   x = 108,892,080,144/148,398
6. Step 6: Final answer
   x = 733,784.01