Finding the Third Proportional to 65,904.50 and 141,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,904.50 : 141,821.50 = 141,821.50 : x
2. Step 2: Convert to fraction form
   65,904.50/141,821.50 = 141,821.50/x
3. Step 3: Cross multiply
   65,904.50x = 141,821.50 × 141,821.50
4. Step 4: Simplify right side
   65,904.50x = 20,113,337,862.25
5. Step 5: Solve for x
   x = 20,113,337,862.25/65,904.50
6. Step 6: Final answer
   x = 305,189.14