Finding the Third Proportional to 10,181,907,873 and 21,919,928,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181,907,873 : 21,919,928,290.50 = 21,919,928,290.50 : x
2. Step 2: Convert to fraction form
   10,181,907,873/21,919,928,290.50 = 21,919,928,290.50/x
3. Step 3: Cross multiply
   10,181,907,873x = 21,919,928,290.50 × 21,919,928,290.50
4. Step 4: Simplify right side
   10,181,907,873x = 480,483,256,260,662,263,808
5. Step 5: Solve for x
   x = 480,483,256,260,662,263,808/10,181,907,873
6. Step 6: Final answer
   x = 47,189,904,117.56