Finding the Third Proportional to 89,554,308,939 and 195,978,763,926

Step by Step Solution

1. Step 1: Write the proportion equation
   89,554,308,939 : 195,978,763,926 = 195,978,763,926 : x
2. Step 2: Convert to fraction form
   89,554,308,939/195,978,763,926 = 195,978,763,926/x
3. Step 3: Cross multiply
   89,554,308,939x = 195,978,763,926 × 195,978,763,926
4. Step 4: Simplify right side
   89,554,308,939x = 38,407,675,909,962,840,670,208
5. Step 5: Solve for x
   x = 38,407,675,909,962,840,670,208/89,554,308,939
6. Step 6: Final answer
   x = 428,875,800,226.70