Finding the Third Proportional to 284,057.25 and 611,031

Step by Step Solution

1. Step 1: Write the proportion equation
   284,057.25 : 611,031 = 611,031 : x
2. Step 2: Convert to fraction form
   284,057.25/611,031 = 611,031/x
3. Step 3: Cross multiply
   284,057.25x = 611,031 × 611,031
4. Step 4: Simplify right side
   284,057.25x = 373,358,882,961
5. Step 5: Solve for x
   x = 373,358,882,961/284,057.25
6. Step 6: Final answer
   x = 1,314,379.00