Finding the Third Proportional to 12,138,342 and 26,003,721

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138,342 : 26,003,721 = 26,003,721 : x
2. Step 2: Convert to fraction form
   12,138,342/26,003,721 = 26,003,721/x
3. Step 3: Cross multiply
   12,138,342x = 26,003,721 × 26,003,721
4. Step 4: Simplify right side
   12,138,342x = 676,193,505,845,841
5. Step 5: Solve for x
   x = 676,193,505,845,841/12,138,342
6. Step 6: Final answer
   x = 55,707,237.93