Finding the Third Proportional to 1,217,656 and 1,939,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,656 : 1,939,248 = 1,939,248 : x
2. Step 2: Convert to fraction form
   1,217,656/1,939,248 = 1,939,248/x
3. Step 3: Cross multiply
   1,217,656x = 1,939,248 × 1,939,248
4. Step 4: Simplify right side
   1,217,656x = 3,760,682,805,504
5. Step 5: Solve for x
   x = 3,760,682,805,504/1,217,656
6. Step 6: Final answer
   x = 3,088,460.78