Finding the Third Proportional to 561,927 and 839,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   561,927 : 839,566.50 = 839,566.50 : x
2. Step 2: Convert to fraction form
   561,927/839,566.50 = 839,566.50/x
3. Step 3: Cross multiply
   561,927x = 839,566.50 × 839,566.50
4. Step 4: Simplify right side
   561,927x = 704,871,907,922.25
5. Step 5: Solve for x
   x = 704,871,907,922.25/561,927
6. Step 6: Final answer
   x = 1,254,383.41