Finding the Third Proportional to 915,396 and 1,993,530

Step by Step Solution

1. Step 1: Write the proportion equation
   915,396 : 1,993,530 = 1,993,530 : x
2. Step 2: Convert to fraction form
   915,396/1,993,530 = 1,993,530/x
3. Step 3: Cross multiply
   915,396x = 1,993,530 × 1,993,530
4. Step 4: Simplify right side
   915,396x = 3,974,161,860,900
5. Step 5: Solve for x
   x = 3,974,161,860,900/915,396
6. Step 6: Final answer
   x = 4,341,467.37