Finding the Third Proportional to 456,402 and 993,048

Step by Step Solution

1. Step 1: Write the proportion equation
   456,402 : 993,048 = 993,048 : x
2. Step 2: Convert to fraction form
   456,402/993,048 = 993,048/x
3. Step 3: Cross multiply
   456,402x = 993,048 × 993,048
4. Step 4: Simplify right side
   456,402x = 986,144,330,304
5. Step 5: Solve for x
   x = 986,144,330,304/456,402
6. Step 6: Final answer
   x = 2,160,692.39