Finding the Third Proportional to 4,786,129.50 and 10,245,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786,129.50 : 10,245,016.50 = 10,245,016.50 : x
2. Step 2: Convert to fraction form
   4,786,129.50/10,245,016.50 = 10,245,016.50/x
3. Step 3: Cross multiply
   4,786,129.50x = 10,245,016.50 × 10,245,016.50
4. Step 4: Simplify right side
   4,786,129.50x = 104,960,363,085,272.25
5. Step 5: Solve for x
   x = 104,960,363,085,272.25/4,786,129.50
6. Step 6: Final answer
   x = 21,930,113.48