Finding the Third Proportional to 1,322,494 and 1,978,611

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322,494 : 1,978,611 = 1,978,611 : x
2. Step 2: Convert to fraction form
   1,322,494/1,978,611 = 1,978,611/x
3. Step 3: Cross multiply
   1,322,494x = 1,978,611 × 1,978,611
4. Step 4: Simplify right side
   1,322,494x = 3,914,901,489,321
5. Step 5: Solve for x
   x = 3,914,901,489,321/1,322,494
6. Step 6: Final answer
   x = 2,960,241.40