Finding the Third Proportional to 911,009,560,910 and 1,959,122,928,124

Step by Step Solution

1. Step 1: Write the proportion equation
   911,009,560,910 : 1,959,122,928,124 = 1,959,122,928,124 : x
2. Step 2: Convert to fraction form
   911,009,560,910/1,959,122,928,124 = 1,959,122,928,124/x
3. Step 3: Cross multiply
   911,009,560,910x = 1,959,122,928,124 × 1,959,122,928,124
4. Step 4: Simplify right side
   911,009,560,910x = 3,838,162,647,501,155,545,907,200
5. Step 5: Solve for x
   x = 3,838,162,647,501,155,545,907,200/911,009,560,910
6. Step 6: Final answer
   x = 4,213,087,120,257.27