Finding the Third Proportional to 11,899,974 and 25,780,722

Step by Step Solution

1. Step 1: Write the proportion equation
   11,899,974 : 25,780,722 = 25,780,722 : x
2. Step 2: Convert to fraction form
   11,899,974/25,780,722 = 25,780,722/x
3. Step 3: Cross multiply
   11,899,974x = 25,780,722 × 25,780,722
4. Step 4: Simplify right side
   11,899,974x = 664,645,626,841,284
5. Step 5: Solve for x
   x = 664,645,626,841,284/11,899,974
6. Step 6: Final answer
   x = 55,852,695.72