Finding the Third Proportional to 259,842 and 555,593.25

Step by Step Solution

1. Step 1: Write the proportion equation
   259,842 : 555,593.25 = 555,593.25 : x
2. Step 2: Convert to fraction form
   259,842/555,593.25 = 555,593.25/x
3. Step 3: Cross multiply
   259,842x = 555,593.25 × 555,593.25
4. Step 4: Simplify right side
   259,842x = 308,683,859,445.56
5. Step 5: Solve for x
   x = 308,683,859,445.56/259,842
6. Step 6: Final answer
   x = 1,187,967.53