Finding the Third Proportional to 394,030.50 and 624,033

Step by Step Solution

1. Step 1: Write the proportion equation
   394,030.50 : 624,033 = 624,033 : x
2. Step 2: Convert to fraction form
   394,030.50/624,033 = 624,033/x
3. Step 3: Cross multiply
   394,030.50x = 624,033 × 624,033
4. Step 4: Simplify right side
   394,030.50x = 389,417,185,089
5. Step 5: Solve for x
   x = 389,417,185,089/394,030.50
6. Step 6: Final answer
   x = 988,291.99