Finding the Third Proportional to 3,177,828 and 7,061,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,177,828 : 7,061,791.50 = 7,061,791.50 : x
2. Step 2: Convert to fraction form
   3,177,828/7,061,791.50 = 7,061,791.50/x
3. Step 3: Cross multiply
   3,177,828x = 7,061,791.50 × 7,061,791.50
4. Step 4: Simplify right side
   3,177,828x = 49,868,899,189,472.25
5. Step 5: Solve for x
   x = 49,868,899,189,472.25/3,177,828
6. Step 6: Final answer
   x = 15,692,762.22