Finding the Third Proportional to 5,177,042 and 7,837,947

Step by Step Solution

1. Step 1: Write the proportion equation
   5,177,042 : 7,837,947 = 7,837,947 : x
2. Step 2: Convert to fraction form
   5,177,042/7,837,947 = 7,837,947/x
3. Step 3: Cross multiply
   5,177,042x = 7,837,947 × 7,837,947
4. Step 4: Simplify right side
   5,177,042x = 61,433,413,174,809
5. Step 5: Solve for x
   x = 61,433,413,174,809/5,177,042
6. Step 6: Final answer
   x = 11,866,508.55