Finding the Third Proportional to 64,746 and 140,886

Step by Step Solution

1. Step 1: Write the proportion equation
   64,746 : 140,886 = 140,886 : x
2. Step 2: Convert to fraction form
   64,746/140,886 = 140,886/x
3. Step 3: Cross multiply
   64,746x = 140,886 × 140,886
4. Step 4: Simplify right side
   64,746x = 19,848,864,996
5. Step 5: Solve for x
   x = 19,848,864,996/64,746
6. Step 6: Final answer
   x = 306,565.12