Finding the Third Proportional to 552,174 and 1,207,740

Step by Step Solution

1. Step 1: Write the proportion equation
   552,174 : 1,207,740 = 1,207,740 : x
2. Step 2: Convert to fraction form
   552,174/1,207,740 = 1,207,740/x
3. Step 3: Cross multiply
   552,174x = 1,207,740 × 1,207,740
4. Step 4: Simplify right side
   552,174x = 1,458,635,907,600
5. Step 5: Solve for x
   x = 1,458,635,907,600/552,174
6. Step 6: Final answer
   x = 2,641,623.67