Finding the Third Proportional to 302,057 and 479,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,057 : 479,869.50 = 479,869.50 : x
2. Step 2: Convert to fraction form
   302,057/479,869.50 = 479,869.50/x
3. Step 3: Cross multiply
   302,057x = 479,869.50 × 479,869.50
4. Step 4: Simplify right side
   302,057x = 230,274,737,030.25
5. Step 5: Solve for x
   x = 230,274,737,030.25/302,057
6. Step 6: Final answer
   x = 762,355.24