Finding the Third Proportional to 568,484 and 1,215,742

Step by Step Solution

1. Step 1: Write the proportion equation
   568,484 : 1,215,742 = 1,215,742 : x
2. Step 2: Convert to fraction form
   568,484/1,215,742 = 1,215,742/x
3. Step 3: Cross multiply
   568,484x = 1,215,742 × 1,215,742
4. Step 4: Simplify right side
   568,484x = 1,478,028,610,564
5. Step 5: Solve for x
   x = 1,478,028,610,564/568,484
6. Step 6: Final answer
   x = 2,599,947.60