Finding the Third Proportional to 1,467,990 and 2,145,339

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467,990 : 2,145,339 = 2,145,339 : x
2. Step 2: Convert to fraction form
   1,467,990/2,145,339 = 2,145,339/x
3. Step 3: Cross multiply
   1,467,990x = 2,145,339 × 2,145,339
4. Step 4: Simplify right side
   1,467,990x = 4,602,479,424,921
5. Step 5: Solve for x
   x = 4,602,479,424,921/1,467,990
6. Step 6: Final answer
   x = 3,135,225.33