Finding the Third Proportional to 10,110,909,994.50 and 21,981,677,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,110,909,994.50 : 21,981,677,918.50 = 21,981,677,918.50 : x
2. Step 2: Convert to fraction form
   10,110,909,994.50/21,981,677,918.50 = 21,981,677,918.50/x
3. Step 3: Cross multiply
   10,110,909,994.50x = 21,981,677,918.50 × 21,981,677,918.50
4. Step 4: Simplify right side
   10,110,909,994.50x = 483,194,164,112,670,523,392
5. Step 5: Solve for x
   x = 483,194,164,112,670,523,392/10,110,909,994.50
6. Step 6: Final answer
   x = 47,789,384,375.44