Finding the Third Proportional to 65,494 and 143,246.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,494 : 143,246.50 = 143,246.50 : x
2. Step 2: Convert to fraction form
   65,494/143,246.50 = 143,246.50/x
3. Step 3: Cross multiply
   65,494x = 143,246.50 × 143,246.50
4. Step 4: Simplify right side
   65,494x = 20,519,559,762.25
5. Step 5: Solve for x
   x = 20,519,559,762.25/65,494
6. Step 6: Final answer
   x = 313,304.42