Finding the Third Proportional to 331,777 and 446,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   331,777 : 446,977.50 = 446,977.50 : x
2. Step 2: Convert to fraction form
   331,777/446,977.50 = 446,977.50/x
3. Step 3: Cross multiply
   331,777x = 446,977.50 × 446,977.50
4. Step 4: Simplify right side
   331,777x = 199,788,885,506.25
5. Step 5: Solve for x
   x = 199,788,885,506.25/331,777
6. Step 6: Final answer
   x = 602,178.23