Finding the Third Proportional to 1,296,870 and 1,940,121

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,870 : 1,940,121 = 1,940,121 : x
2. Step 2: Convert to fraction form
   1,296,870/1,940,121 = 1,940,121/x
3. Step 3: Cross multiply
   1,296,870x = 1,940,121 × 1,940,121
4. Step 4: Simplify right side
   1,296,870x = 3,764,069,494,641
5. Step 5: Solve for x
   x = 3,764,069,494,641/1,296,870
6. Step 6: Final answer
   x = 2,902,426.22