Finding the Third Proportional to 53,356 and 78,994

Step by Step Solution

1. Step 1: Write the proportion equation
   53,356 : 78,994 = 78,994 : x
2. Step 2: Convert to fraction form
   53,356/78,994 = 78,994/x
3. Step 3: Cross multiply
   53,356x = 78,994 × 78,994
4. Step 4: Simplify right side
   53,356x = 6,240,052,036
5. Step 5: Solve for x
   x = 6,240,052,036/53,356
6. Step 6: Final answer
   x = 116,951.27