Finding the Third Proportional to 78,488 and 120,036

Step by Step Solution

1. Step 1: Write the proportion equation
   78,488 : 120,036 = 120,036 : x
2. Step 2: Convert to fraction form
   78,488/120,036 = 120,036/x
3. Step 3: Cross multiply
   78,488x = 120,036 × 120,036
4. Step 4: Simplify right side
   78,488x = 14,408,641,296
5. Step 5: Solve for x
   x = 14,408,641,296/78,488
6. Step 6: Final answer
   x = 183,577.63