Finding the Third Proportional to 513,388.69 and 798,082.88

Step by Step Solution

1. Step 1: Write the proportion equation
   513,388.69 : 798,082.88 = 798,082.88 : x
2. Step 2: Convert to fraction form
   513,388.69/798,082.88 = 798,082.88/x
3. Step 3: Cross multiply
   513,388.69x = 798,082.88 × 798,082.88
4. Step 4: Simplify right side
   513,388.69x = 636,936,275,368.27
5. Step 5: Solve for x
   x = 636,936,275,368.27/513,388.69
6. Step 6: Final answer
   x = 1,240,651.17