Finding the Third Proportional to 1,187,560 and 2,640,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,560 : 2,640,116 = 2,640,116 : x
2. Step 2: Convert to fraction form
   1,187,560/2,640,116 = 2,640,116/x
3. Step 3: Cross multiply
   1,187,560x = 2,640,116 × 2,640,116
4. Step 4: Simplify right side
   1,187,560x = 6,970,212,493,456
5. Step 5: Solve for x
   x = 6,970,212,493,456/1,187,560
6. Step 6: Final answer
   x = 5,869,356.07