Finding the Third Proportional to 568,152 and 1,243,215

Step by Step Solution

1. Step 1: Write the proportion equation
   568,152 : 1,243,215 = 1,243,215 : x
2. Step 2: Convert to fraction form
   568,152/1,243,215 = 1,243,215/x
3. Step 3: Cross multiply
   568,152x = 1,243,215 × 1,243,215
4. Step 4: Simplify right side
   568,152x = 1,545,583,536,225
5. Step 5: Solve for x
   x = 1,545,583,536,225/568,152
6. Step 6: Final answer
   x = 2,720,369.79