Finding the Third Proportional to 52,488 and 78,996

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488 : 78,996 = 78,996 : x
2. Step 2: Convert to fraction form
   52,488/78,996 = 78,996/x
3. Step 3: Cross multiply
   52,488x = 78,996 × 78,996
4. Step 4: Simplify right side
   52,488x = 6,240,368,016
5. Step 5: Solve for x
   x = 6,240,368,016/52,488
6. Step 6: Final answer
   x = 118,891.33