Finding the Third Proportional to 65,383.50 and 141,603

Step by Step Solution

1. Step 1: Write the proportion equation
   65,383.50 : 141,603 = 141,603 : x
2. Step 2: Convert to fraction form
   65,383.50/141,603 = 141,603/x
3. Step 3: Cross multiply
   65,383.50x = 141,603 × 141,603
4. Step 4: Simplify right side
   65,383.50x = 20,051,409,609
5. Step 5: Solve for x
   x = 20,051,409,609/65,383.50
6. Step 6: Final answer
   x = 306,673.85