Finding the Third Proportional to 35,978 and 55,851

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978 : 55,851 = 55,851 : x
2. Step 2: Convert to fraction form
   35,978/55,851 = 55,851/x
3. Step 3: Cross multiply
   35,978x = 55,851 × 55,851
4. Step 4: Simplify right side
   35,978x = 3,119,334,201
5. Step 5: Solve for x
   x = 3,119,334,201/35,978
6. Step 6: Final answer
   x = 86,701.16