Finding the Third Proportional to 111,639,110 and 150,786,921

Step by Step Solution

1. Step 1: Write the proportion equation
   111,639,110 : 150,786,921 = 150,786,921 : x
2. Step 2: Convert to fraction form
   111,639,110/150,786,921 = 150,786,921/x
3. Step 3: Cross multiply
   111,639,110x = 150,786,921 × 150,786,921
4. Step 4: Simplify right side
   111,639,110x = 22,736,695,544,660,240
5. Step 5: Solve for x
   x = 22,736,695,544,660,240/111,639,110
6. Step 6: Final answer
   x = 203,662,457.94