Finding the Third Proportional to 65,071.50 and 141,684

Step by Step Solution

1. Step 1: Write the proportion equation
   65,071.50 : 141,684 = 141,684 : x
2. Step 2: Convert to fraction form
   65,071.50/141,684 = 141,684/x
3. Step 3: Cross multiply
   65,071.50x = 141,684 × 141,684
4. Step 4: Simplify right side
   65,071.50x = 20,074,355,856
5. Step 5: Solve for x
   x = 20,074,355,856/65,071.50
6. Step 6: Final answer
   x = 308,496.90