Finding the Third Proportional to 570,787 and 839,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   570,787 : 839,629.50 = 839,629.50 : x
2. Step 2: Convert to fraction form
   570,787/839,629.50 = 839,629.50/x
3. Step 3: Cross multiply
   570,787x = 839,629.50 × 839,629.50
4. Step 4: Simplify right side
   570,787x = 704,977,697,270.25
5. Step 5: Solve for x
   x = 704,977,697,270.25/570,787
6. Step 6: Final answer
   x = 1,235,097.68