Finding the Third Proportional to 568,025 and 830,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   568,025 : 830,067.50 = 830,067.50 : x
2. Step 2: Convert to fraction form
   568,025/830,067.50 = 830,067.50/x
3. Step 3: Cross multiply
   568,025x = 830,067.50 × 830,067.50
4. Step 4: Simplify right side
   568,025x = 689,012,054,556.25
5. Step 5: Solve for x
   x = 689,012,054,556.25/568,025
6. Step 6: Final answer
   x = 1,212,996.00