Finding the Third Proportional to 1,215,184 and 2,659,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,184 : 2,659,109 = 2,659,109 : x
2. Step 2: Convert to fraction form
   1,215,184/2,659,109 = 2,659,109/x
3. Step 3: Cross multiply
   1,215,184x = 2,659,109 × 2,659,109
4. Step 4: Simplify right side
   1,215,184x = 7,070,860,673,881
5. Step 5: Solve for x
   x = 7,070,860,673,881/1,215,184
6. Step 6: Final answer
   x = 5,818,757.22