Finding the Third Proportional to 2,572,422 and 5,587,692

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,422 : 5,587,692 = 5,587,692 : x
2. Step 2: Convert to fraction form
   2,572,422/5,587,692 = 5,587,692/x
3. Step 3: Cross multiply
   2,572,422x = 5,587,692 × 5,587,692
4. Step 4: Simplify right side
   2,572,422x = 31,222,301,886,864
5. Step 5: Solve for x
   x = 31,222,301,886,864/2,572,422
6. Step 6: Final answer
   x = 12,137,317.24