Finding the Third Proportional to 138,987.75 and 303,462

Step by Step Solution

1. Step 1: Write the proportion equation
   138,987.75 : 303,462 = 303,462 : x
2. Step 2: Convert to fraction form
   138,987.75/303,462 = 303,462/x
3. Step 3: Cross multiply
   138,987.75x = 303,462 × 303,462
4. Step 4: Simplify right side
   138,987.75x = 92,089,185,444
5. Step 5: Solve for x
   x = 92,089,185,444/138,987.75
6. Step 6: Final answer
   x = 662,570.52