Finding the Third Proportional to 261,462 and 554,316.75

Step by Step Solution

1. Step 1: Write the proportion equation
   261,462 : 554,316.75 = 554,316.75 : x
2. Step 2: Convert to fraction form
   261,462/554,316.75 = 554,316.75/x
3. Step 3: Cross multiply
   261,462x = 554,316.75 × 554,316.75
4. Step 4: Simplify right side
   261,462x = 307,267,059,330.56
5. Step 5: Solve for x
   x = 307,267,059,330.56/261,462
6. Step 6: Final answer
   x = 1,175,188.21