Finding the Third Proportional to 568,390 and 1,215,552

Step by Step Solution

1. Step 1: Write the proportion equation
   568,390 : 1,215,552 = 1,215,552 : x
2. Step 2: Convert to fraction form
   568,390/1,215,552 = 1,215,552/x
3. Step 3: Cross multiply
   568,390x = 1,215,552 × 1,215,552
4. Step 4: Simplify right side
   568,390x = 1,477,566,664,704
5. Step 5: Solve for x
   x = 1,477,566,664,704/568,390
6. Step 6: Final answer
   x = 2,599,564.85