Finding the Third Proportional to 523,681.50 and 800,739

Step by Step Solution

1. Step 1: Write the proportion equation
   523,681.50 : 800,739 = 800,739 : x
2. Step 2: Convert to fraction form
   523,681.50/800,739 = 800,739/x
3. Step 3: Cross multiply
   523,681.50x = 800,739 × 800,739
4. Step 4: Simplify right side
   523,681.50x = 641,182,946,121
5. Step 5: Solve for x
   x = 641,182,946,121/523,681.50
6. Step 6: Final answer
   x = 1,224,375.78