Finding the Third Proportional to 2,938,578 and 4,540,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938,578 : 4,540,847.50 = 4,540,847.50 : x
2. Step 2: Convert to fraction form
   2,938,578/4,540,847.50 = 4,540,847.50/x
3. Step 3: Cross multiply
   2,938,578x = 4,540,847.50 × 4,540,847.50
4. Step 4: Simplify right side
   2,938,578x = 20,619,296,018,256.25
5. Step 5: Solve for x
   x = 20,619,296,018,256.25/2,938,578
6. Step 6: Final answer
   x = 7,016,759.81