Finding the Third Proportional to 559,791 and 842,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   559,791 : 842,494.50 = 842,494.50 : x
2. Step 2: Convert to fraction form
   559,791/842,494.50 = 842,494.50/x
3. Step 3: Cross multiply
   559,791x = 842,494.50 × 842,494.50
4. Step 4: Simplify right side
   559,791x = 709,796,982,530.25
5. Step 5: Solve for x
   x = 709,796,982,530.25/559,791
6. Step 6: Final answer
   x = 1,267,967.84