Finding the Third Proportional to 148,532 and 309,304

Step by Step Solution

1. Step 1: Write the proportion equation
   148,532 : 309,304 = 309,304 : x
2. Step 2: Convert to fraction form
   148,532/309,304 = 309,304/x
3. Step 3: Cross multiply
   148,532x = 309,304 × 309,304
4. Step 4: Simplify right side
   148,532x = 95,668,964,416
5. Step 5: Solve for x
   x = 95,668,964,416/148,532
6. Step 6: Final answer
   x = 644,096.66