Finding the Third Proportional to 911,009,560,908 and 1,959,122,928,120

Step by Step Solution

1. Step 1: Write the proportion equation
   911,009,560,908 : 1,959,122,928,120 = 1,959,122,928,120 : x
2. Step 2: Convert to fraction form
   911,009,560,908/1,959,122,928,120 = 1,959,122,928,120/x
3. Step 3: Cross multiply
   911,009,560,908x = 1,959,122,928,120 × 1,959,122,928,120
4. Step 4: Simplify right side
   911,009,560,908x = 3,838,162,647,485,482,673,373,184
5. Step 5: Solve for x
   x = 3,838,162,647,485,482,673,373,184/911,009,560,908
6. Step 6: Final answer
   x = 4,213,087,120,249.32