Finding the Third Proportional to 2,182,843.69 and 4,591,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,843.69 : 4,591,912.50 = 4,591,912.50 : x
2. Step 2: Convert to fraction form
   2,182,843.69/4,591,912.50 = 4,591,912.50/x
3. Step 3: Cross multiply
   2,182,843.69x = 4,591,912.50 × 4,591,912.50
4. Step 4: Simplify right side
   2,182,843.69x = 21,085,660,407,656.25
5. Step 5: Solve for x
   x = 21,085,660,407,656.25/2,182,843.69
6. Step 6: Final answer
   x = 9,659,720.73