Finding the Third Proportional to 1,217,682 and 1,939,287

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,682 : 1,939,287 = 1,939,287 : x
2. Step 2: Convert to fraction form
   1,217,682/1,939,287 = 1,939,287/x
3. Step 3: Cross multiply
   1,217,682x = 1,939,287 × 1,939,287
4. Step 4: Simplify right side
   1,217,682x = 3,760,834,068,369
5. Step 5: Solve for x
   x = 3,760,834,068,369/1,217,682
6. Step 6: Final answer
   x = 3,088,519.06