Finding the Third Proportional to 1,186,415 and 2,559,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,415 : 2,559,454 = 2,559,454 : x
2. Step 2: Convert to fraction form
   1,186,415/2,559,454 = 2,559,454/x
3. Step 3: Cross multiply
   1,186,415x = 2,559,454 × 2,559,454
4. Step 4: Simplify right side
   1,186,415x = 6,550,804,778,116
5. Step 5: Solve for x
   x = 6,550,804,778,116/1,186,415
6. Step 6: Final answer
   x = 5,521,512.10