Finding the Third Proportional to 64,748 and 140,892

Step by Step Solution

1. Step 1: Write the proportion equation
   64,748 : 140,892 = 140,892 : x
2. Step 2: Convert to fraction form
   64,748/140,892 = 140,892/x
3. Step 3: Cross multiply
   64,748x = 140,892 × 140,892
4. Step 4: Simplify right side
   64,748x = 19,850,555,664
5. Step 5: Solve for x
   x = 19,850,555,664/64,748
6. Step 6: Final answer
   x = 306,581.76