Finding the Third Proportional to 510,717 and 773,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,717 : 773,185.50 = 773,185.50 : x
2. Step 2: Convert to fraction form
   510,717/773,185.50 = 773,185.50/x
3. Step 3: Cross multiply
   510,717x = 773,185.50 × 773,185.50
4. Step 4: Simplify right side
   510,717x = 597,815,817,410.25
5. Step 5: Solve for x
   x = 597,815,817,410.25/510,717
6. Step 6: Final answer
   x = 1,170,542.23