Finding the Third Proportional to 11,718,987 and 25,707,078

Step by Step Solution

1. Step 1: Write the proportion equation
   11,718,987 : 25,707,078 = 25,707,078 : x
2. Step 2: Convert to fraction form
   11,718,987/25,707,078 = 25,707,078/x
3. Step 3: Cross multiply
   11,718,987x = 25,707,078 × 25,707,078
4. Step 4: Simplify right side
   11,718,987x = 660,853,859,298,084
5. Step 5: Solve for x
   x = 660,853,859,298,084/11,718,987
6. Step 6: Final answer
   x = 56,391,722.19