Finding the Third Proportional to 4,713,945 and 7,207,890

Step by Step Solution

1. Step 1: Write the proportion equation
   4,713,945 : 7,207,890 = 7,207,890 : x
2. Step 2: Convert to fraction form
   4,713,945/7,207,890 = 7,207,890/x
3. Step 3: Cross multiply
   4,713,945x = 7,207,890 × 7,207,890
4. Step 4: Simplify right side
   4,713,945x = 51,953,678,252,100
5. Step 5: Solve for x
   x = 51,953,678,252,100/4,713,945
6. Step 6: Final answer
   x = 11,021,273.74