Finding the Third Proportional to 2,619,279 and 3,938,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,279 : 3,938,665.50 = 3,938,665.50 : x
2. Step 2: Convert to fraction form
   2,619,279/3,938,665.50 = 3,938,665.50/x
3. Step 3: Cross multiply
   2,619,279x = 3,938,665.50 × 3,938,665.50
4. Step 4: Simplify right side
   2,619,279x = 15,513,085,920,890.25
5. Step 5: Solve for x
   x = 15,513,085,920,890.25/2,619,279
6. Step 6: Final answer
   x = 5,922,655.02