Finding the Third Proportional to 261,929 and 562,090

Step by Step Solution

1. Step 1: Write the proportion equation
   261,929 : 562,090 = 562,090 : x
2. Step 2: Convert to fraction form
   261,929/562,090 = 562,090/x
3. Step 3: Cross multiply
   261,929x = 562,090 × 562,090
4. Step 4: Simplify right side
   261,929x = 315,945,168,100
5. Step 5: Solve for x
   x = 315,945,168,100/261,929
6. Step 6: Final answer
   x = 1,206,224.47