Finding the Third Proportional to 559,463 and 843,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   559,463 : 843,839.50 = 843,839.50 : x
2. Step 2: Convert to fraction form
   559,463/843,839.50 = 843,839.50/x
3. Step 3: Cross multiply
   559,463x = 843,839.50 × 843,839.50
4. Step 4: Simplify right side
   559,463x = 712,065,101,760.25
5. Step 5: Solve for x
   x = 712,065,101,760.25/559,463
6. Step 6: Final answer
   x = 1,272,765.32