Finding the Third Proportional to 911,823,711.50 and 2,150,333,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   911,823,711.50 : 2,150,333,605.50 = 2,150,333,605.50 : x
2. Step 2: Convert to fraction form
   911,823,711.50/2,150,333,605.50 = 2,150,333,605.50/x
3. Step 3: Cross multiply
   911,823,711.50x = 2,150,333,605.50 × 2,150,333,605.50
4. Step 4: Simplify right side
   911,823,711.50x = 4,623,934,614,942,629,888
5. Step 5: Solve for x
   x = 4,623,934,614,942,629,888/911,823,711.50
6. Step 6: Final answer
   x = 5,071,083,978.87