Finding the Third Proportional to 4,567,109 and 9,947,890

Step by Step Solution

1. Step 1: Write the proportion equation
   4,567,109 : 9,947,890 = 9,947,890 : x
2. Step 2: Convert to fraction form
   4,567,109/9,947,890 = 9,947,890/x
3. Step 3: Cross multiply
   4,567,109x = 9,947,890 × 9,947,890
4. Step 4: Simplify right side
   4,567,109x = 98,960,515,452,100
5. Step 5: Solve for x
   x = 98,960,515,452,100/4,567,109
6. Step 6: Final answer
   x = 21,668,087.07