Finding the Third Proportional to 2,590,215 and 3,921,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,215 : 3,921,448.50 = 3,921,448.50 : x
2. Step 2: Convert to fraction form
   2,590,215/3,921,448.50 = 3,921,448.50/x
3. Step 3: Cross multiply
   2,590,215x = 3,921,448.50 × 3,921,448.50
4. Step 4: Simplify right side
   2,590,215x = 15,377,758,338,152.25
5. Step 5: Solve for x
   x = 15,377,758,338,152.25/2,590,215
6. Step 6: Final answer
   x = 5,936,865.60