Finding the Third Proportional to 1,243,197 and 1,919,713

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,197 : 1,919,713 = 1,919,713 : x
2. Step 2: Convert to fraction form
   1,243,197/1,919,713 = 1,919,713/x
3. Step 3: Cross multiply
   1,243,197x = 1,919,713 × 1,919,713
4. Step 4: Simplify right side
   1,243,197x = 3,685,298,002,369
5. Step 5: Solve for x
   x = 3,685,298,002,369/1,243,197
6. Step 6: Final answer
   x = 2,964,371.70