Finding the Third Proportional to 148,424 and 302,030

Step by Step Solution

1. Step 1: Write the proportion equation
   148,424 : 302,030 = 302,030 : x
2. Step 2: Convert to fraction form
   148,424/302,030 = 302,030/x
3. Step 3: Cross multiply
   148,424x = 302,030 × 302,030
4. Step 4: Simplify right side
   148,424x = 91,222,120,900
5. Step 5: Solve for x
   x = 91,222,120,900/148,424
6. Step 6: Final answer
   x = 614,604.92