Finding the Third Proportional to 64,858 and 100,150

Step by Step Solution

1. Step 1: Write the proportion equation
   64,858 : 100,150 = 100,150 : x
2. Step 2: Convert to fraction form
   64,858/100,150 = 100,150/x
3. Step 3: Cross multiply
   64,858x = 100,150 × 100,150
4. Step 4: Simplify right side
   64,858x = 10,030,022,500
5. Step 5: Solve for x
   x = 10,030,022,500/64,858
6. Step 6: Final answer
   x = 154,645.88