Finding the Third Proportional to 10,181,908,212 and 21,919,928,950

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181,908,212 : 21,919,928,950 = 21,919,928,950 : x
2. Step 2: Convert to fraction form
   10,181,908,212/21,919,928,950 = 21,919,928,950/x
3. Step 3: Cross multiply
   10,181,908,212x = 21,919,928,950 × 21,919,928,950
4. Step 4: Simplify right side
   10,181,908,212x = 480,483,285,173,048,115,200
5. Step 5: Solve for x
   x = 480,483,285,173,048,115,200/10,181,908,212
6. Step 6: Final answer
   x = 47,189,905,385.98