Finding the Third Proportional to 12,117,139 and 25,936,790

Step by Step Solution

1. Step 1: Write the proportion equation
   12,117,139 : 25,936,790 = 25,936,790 : x
2. Step 2: Convert to fraction form
   12,117,139/25,936,790 = 25,936,790/x
3. Step 3: Cross multiply
   12,117,139x = 25,936,790 × 25,936,790
4. Step 4: Simplify right side
   12,117,139x = 672,717,075,504,100
5. Step 5: Solve for x
   x = 672,717,075,504,100/12,117,139
6. Step 6: Final answer
   x = 55,517,814.52