Finding the Third Proportional to 59,303 and 139,991

Step by Step Solution

1. Step 1: Write the proportion equation
   59,303 : 139,991 = 139,991 : x
2. Step 2: Convert to fraction form
   59,303/139,991 = 139,991/x
3. Step 3: Cross multiply
   59,303x = 139,991 × 139,991
4. Step 4: Simplify right side
   59,303x = 19,597,480,081
5. Step 5: Solve for x
   x = 19,597,480,081/59,303
6. Step 6: Final answer
   x = 330,463.55