Finding the Third Proportional to 555,808 and 1,131,258

Step by Step Solution

1. Step 1: Write the proportion equation
   555,808 : 1,131,258 = 1,131,258 : x
2. Step 2: Convert to fraction form
   555,808/1,131,258 = 1,131,258/x
3. Step 3: Cross multiply
   555,808x = 1,131,258 × 1,131,258
4. Step 4: Simplify right side
   555,808x = 1,279,744,662,564
5. Step 5: Solve for x
   x = 1,279,744,662,564/555,808
6. Step 6: Final answer
   x = 2,302,494.14