Finding the Third Proportional to 552,938 and 743,030

Step by Step Solution

1. Step 1: Write the proportion equation
   552,938 : 743,030 = 743,030 : x
2. Step 2: Convert to fraction form
   552,938/743,030 = 743,030/x
3. Step 3: Cross multiply
   552,938x = 743,030 × 743,030
4. Step 4: Simplify right side
   552,938x = 552,093,580,900
5. Step 5: Solve for x
   x = 552,093,580,900/552,938
6. Step 6: Final answer
   x = 998,472.85