Finding the Third Proportional to 5,613,588 and 12,171,222

Step by Step Solution

1. Step 1: Write the proportion equation
   5,613,588 : 12,171,222 = 12,171,222 : x
2. Step 2: Convert to fraction form
   5,613,588/12,171,222 = 12,171,222/x
3. Step 3: Cross multiply
   5,613,588x = 12,171,222 × 12,171,222
4. Step 4: Simplify right side
   5,613,588x = 148,138,644,973,284
5. Step 5: Solve for x
   x = 148,138,644,973,284/5,613,588
6. Step 6: Final answer
   x = 26,389,297.71