Finding the Third Proportional to 1,217,616 and 1,939,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,616 : 1,939,176 = 1,939,176 : x
2. Step 2: Convert to fraction form
   1,217,616/1,939,176 = 1,939,176/x
3. Step 3: Cross multiply
   1,217,616x = 1,939,176 × 1,939,176
4. Step 4: Simplify right side
   1,217,616x = 3,760,403,558,976
5. Step 5: Solve for x
   x = 3,760,403,558,976/1,217,616
6. Step 6: Final answer
   x = 3,088,332.91