Finding the Third Proportional to 1,091,296 and 1,683,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,296 : 1,683,600 = 1,683,600 : x
2. Step 2: Convert to fraction form
   1,091,296/1,683,600 = 1,683,600/x
3. Step 3: Cross multiply
   1,091,296x = 1,683,600 × 1,683,600
4. Step 4: Simplify right side
   1,091,296x = 2,834,508,960,000
5. Step 5: Solve for x
   x = 2,834,508,960,000/1,091,296
6. Step 6: Final answer
   x = 2,597,378.68