Finding the Third Proportional to 12,322,686 and 27,478,758

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322,686 : 27,478,758 = 27,478,758 : x
2. Step 2: Convert to fraction form
   12,322,686/27,478,758 = 27,478,758/x
3. Step 3: Cross multiply
   12,322,686x = 27,478,758 × 27,478,758
4. Step 4: Simplify right side
   12,322,686x = 755,082,141,222,564
5. Step 5: Solve for x
   x = 755,082,141,222,564/12,322,686
6. Step 6: Final answer
   x = 61,275,775.53