Finding the Third Proportional to 12,399,597 and 26,274,258

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399,597 : 26,274,258 = 26,274,258 : x
2. Step 2: Convert to fraction form
   12,399,597/26,274,258 = 26,274,258/x
3. Step 3: Cross multiply
   12,399,597x = 26,274,258 × 26,274,258
4. Step 4: Simplify right side
   12,399,597x = 690,336,633,450,564
5. Step 5: Solve for x
   x = 690,336,633,450,564/12,399,597
6. Step 6: Final answer
   x = 55,674,118.56