Finding the Third Proportional to 64,862 and 139,852

Step by Step Solution

1. Step 1: Write the proportion equation
   64,862 : 139,852 = 139,852 : x
2. Step 2: Convert to fraction form
   64,862/139,852 = 139,852/x
3. Step 3: Cross multiply
   64,862x = 139,852 × 139,852
4. Step 4: Simplify right side
   64,862x = 19,558,581,904
5. Step 5: Solve for x
   x = 19,558,581,904/64,862
6. Step 6: Final answer
   x = 301,541.46