Finding the Third Proportional to 589,057 and 1,272,109

Step by Step Solution

1. Step 1: Write the proportion equation
   589,057 : 1,272,109 = 1,272,109 : x
2. Step 2: Convert to fraction form
   589,057/1,272,109 = 1,272,109/x
3. Step 3: Cross multiply
   589,057x = 1,272,109 × 1,272,109
4. Step 4: Simplify right side
   589,057x = 1,618,261,307,881
5. Step 5: Solve for x
   x = 1,618,261,307,881/589,057
6. Step 6: Final answer
   x = 2,747,206.65