Finding the Third Proportional to 2,250,991 and 4,928,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,991 : 4,928,892.50 = 4,928,892.50 : x
2. Step 2: Convert to fraction form
   2,250,991/4,928,892.50 = 4,928,892.50/x
3. Step 3: Cross multiply
   2,250,991x = 4,928,892.50 × 4,928,892.50
4. Step 4: Simplify right side
   2,250,991x = 24,293,981,276,556.25
5. Step 5: Solve for x
   x = 24,293,981,276,556.25/2,250,991
6. Step 6: Final answer
   x = 10,792,571.48