Finding the Third Proportional to 1,218,784 and 2,640,950

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,784 : 2,640,950 = 2,640,950 : x
2. Step 2: Convert to fraction form
   1,218,784/2,640,950 = 2,640,950/x
3. Step 3: Cross multiply
   1,218,784x = 2,640,950 × 2,640,950
4. Step 4: Simplify right side
   1,218,784x = 6,974,616,902,500
5. Step 5: Solve for x
   x = 6,974,616,902,500/1,218,784
6. Step 6: Final answer
   x = 5,722,602.94