Finding the Third Proportional to 64,328 and 100,078

Step by Step Solution

1. Step 1: Write the proportion equation
   64,328 : 100,078 = 100,078 : x
2. Step 2: Convert to fraction form
   64,328/100,078 = 100,078/x
3. Step 3: Cross multiply
   64,328x = 100,078 × 100,078
4. Step 4: Simplify right side
   64,328x = 10,015,606,084
5. Step 5: Solve for x
   x = 10,015,606,084/64,328
6. Step 6: Final answer
   x = 155,695.90