Finding the Third Proportional to 1,528,078.50 and 3,181,635

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,078.50 : 3,181,635 = 3,181,635 : x
2. Step 2: Convert to fraction form
   1,528,078.50/3,181,635 = 3,181,635/x
3. Step 3: Cross multiply
   1,528,078.50x = 3,181,635 × 3,181,635
4. Step 4: Simplify right side
   1,528,078.50x = 10,122,801,273,225
5. Step 5: Solve for x
   x = 10,122,801,273,225/1,528,078.50
6. Step 6: Final answer
   x = 6,624,529.61