Finding the Third Proportional to 64,896 and 140,808

Step by Step Solution

1. Step 1: Write the proportion equation
   64,896 : 140,808 = 140,808 : x
2. Step 2: Convert to fraction form
   64,896/140,808 = 140,808/x
3. Step 3: Cross multiply
   64,896x = 140,808 × 140,808
4. Step 4: Simplify right side
   64,896x = 19,826,892,864
5. Step 5: Solve for x
   x = 19,826,892,864/64,896
6. Step 6: Final answer
   x = 305,517.95