Finding the Third Proportional to 65,438 and 100,648

Step by Step Solution

1. Step 1: Write the proportion equation
   65,438 : 100,648 = 100,648 : x
2. Step 2: Convert to fraction form
   65,438/100,648 = 100,648/x
3. Step 3: Cross multiply
   65,438x = 100,648 × 100,648
4. Step 4: Simplify right side
   65,438x = 10,130,019,904
5. Step 5: Solve for x
   x = 10,130,019,904/65,438
6. Step 6: Final answer
   x = 154,803.32