Finding the Third Proportional to 65,698.50 and 143,994

Step by Step Solution

1. Step 1: Write the proportion equation
   65,698.50 : 143,994 = 143,994 : x
2. Step 2: Convert to fraction form
   65,698.50/143,994 = 143,994/x
3. Step 3: Cross multiply
   65,698.50x = 143,994 × 143,994
4. Step 4: Simplify right side
   65,698.50x = 20,734,272,036
5. Step 5: Solve for x
   x = 20,734,272,036/65,698.50
6. Step 6: Final answer
   x = 315,597.34