Finding the Third Proportional to 65,729.63 and 143,898

Step by Step Solution

1. Step 1: Write the proportion equation
   65,729.63 : 143,898 = 143,898 : x
2. Step 2: Convert to fraction form
   65,729.63/143,898 = 143,898/x
3. Step 3: Cross multiply
   65,729.63x = 143,898 × 143,898
4. Step 4: Simplify right side
   65,729.63x = 20,706,634,404
5. Step 5: Solve for x
   x = 20,706,634,404/65,729.63
6. Step 6: Final answer
   x = 315,027.42