Finding the Third Proportional to 1,243,922 and 1,905,195

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,922 : 1,905,195 = 1,905,195 : x
2. Step 2: Convert to fraction form
   1,243,922/1,905,195 = 1,905,195/x
3. Step 3: Cross multiply
   1,243,922x = 1,905,195 × 1,905,195
4. Step 4: Simplify right side
   1,243,922x = 3,629,767,988,025
5. Step 5: Solve for x
   x = 3,629,767,988,025/1,243,922
6. Step 6: Final answer
   x = 2,918,002.89