Finding the Third Proportional to 771,156 and 1,152,198

Step by Step Solution

1. Step 1: Write the proportion equation
   771,156 : 1,152,198 = 1,152,198 : x
2. Step 2: Convert to fraction form
   771,156/1,152,198 = 1,152,198/x
3. Step 3: Cross multiply
   771,156x = 1,152,198 × 1,152,198
4. Step 4: Simplify right side
   771,156x = 1,327,560,231,204
5. Step 5: Solve for x
   x = 1,327,560,231,204/771,156
6. Step 6: Final answer
   x = 1,721,519.68