Finding the Third Proportional to 49,850,978 and 103,664,800

Step by Step Solution

1. Step 1: Write the proportion equation
   49,850,978 : 103,664,800 = 103,664,800 : x
2. Step 2: Convert to fraction form
   49,850,978/103,664,800 = 103,664,800/x
3. Step 3: Cross multiply
   49,850,978x = 103,664,800 × 103,664,800
4. Step 4: Simplify right side
   49,850,978x = 10,746,390,759,040,000
5. Step 5: Solve for x
   x = 10,746,390,759,040,000/49,850,978
6. Step 6: Final answer
   x = 215,570,309.55