Finding the Third Proportional to 30,604.50 and 65,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,604.50 : 65,875.50 = 65,875.50 : x
2. Step 2: Convert to fraction form
   30,604.50/65,875.50 = 65,875.50/x
3. Step 3: Cross multiply
   30,604.50x = 65,875.50 × 65,875.50
4. Step 4: Simplify right side
   30,604.50x = 4,339,581,500.25
5. Step 5: Solve for x
   x = 4,339,581,500.25/30,604.50
6. Step 6: Final answer
   x = 141,795.54