Finding the Third Proportional to 60,064 and 139,036

Step by Step Solution

1. Step 1: Write the proportion equation
   60,064 : 139,036 = 139,036 : x
2. Step 2: Convert to fraction form
   60,064/139,036 = 139,036/x
3. Step 3: Cross multiply
   60,064x = 139,036 × 139,036
4. Step 4: Simplify right side
   60,064x = 19,331,009,296
5. Step 5: Solve for x
   x = 19,331,009,296/60,064
6. Step 6: Final answer
   x = 321,840.19