Finding the Third Proportional to 49,188,978 and 73,512,360

Step by Step Solution

1. Step 1: Write the proportion equation
   49,188,978 : 73,512,360 = 73,512,360 : x
2. Step 2: Convert to fraction form
   49,188,978/73,512,360 = 73,512,360/x
3. Step 3: Cross multiply
   49,188,978x = 73,512,360 × 73,512,360
4. Step 4: Simplify right side
   49,188,978x = 5,404,067,072,769,600
5. Step 5: Solve for x
   x = 5,404,067,072,769,600/49,188,978
6. Step 6: Final answer
   x = 109,863,373.72