Finding the Third Proportional to 2,613,686 and 5,627,862

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,686 : 5,627,862 = 5,627,862 : x
2. Step 2: Convert to fraction form
   2,613,686/5,627,862 = 5,627,862/x
3. Step 3: Cross multiply
   2,613,686x = 5,627,862 × 5,627,862
4. Step 4: Simplify right side
   2,613,686x = 31,672,830,691,044
5. Step 5: Solve for x
   x = 31,672,830,691,044/2,613,686
6. Step 6: Final answer
   x = 12,118,070.30