Finding the Third Proportional to 302,457 and 446,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,457 : 446,788.50 = 446,788.50 : x
2. Step 2: Convert to fraction form
   302,457/446,788.50 = 446,788.50/x
3. Step 3: Cross multiply
   302,457x = 446,788.50 × 446,788.50
4. Step 4: Simplify right side
   302,457x = 199,619,963,732.25
5. Step 5: Solve for x
   x = 199,619,963,732.25/302,457
6. Step 6: Final answer
   x = 659,994.52