Finding the Third Proportional to 103,640,858 and 154,890,087

Step by Step Solution

1. Step 1: Write the proportion equation
   103,640,858 : 154,890,087 = 154,890,087 : x
2. Step 2: Convert to fraction form
   103,640,858/154,890,087 = 154,890,087/x
3. Step 3: Cross multiply
   103,640,858x = 154,890,087 × 154,890,087
4. Step 4: Simplify right side
   103,640,858x = 23,990,939,050,867,568
5. Step 5: Solve for x
   x = 23,990,939,050,867,568/103,640,858
6. Step 6: Final answer
   x = 231,481,478.58