Finding the Third Proportional to 1,202,118 and 1,872,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,118 : 1,872,109 = 1,872,109 : x
2. Step 2: Convert to fraction form
   1,202,118/1,872,109 = 1,872,109/x
3. Step 3: Cross multiply
   1,202,118x = 1,872,109 × 1,872,109
4. Step 4: Simplify right side
   1,202,118x = 3,504,792,107,881
5. Step 5: Solve for x
   x = 3,504,792,107,881/1,202,118
6. Step 6: Final answer
   x = 2,915,514.21