Finding the Third Proportional to 59,220 and 86,994

Step by Step Solution

1. Step 1: Write the proportion equation
   59,220 : 86,994 = 86,994 : x
2. Step 2: Convert to fraction form
   59,220/86,994 = 86,994/x
3. Step 3: Cross multiply
   59,220x = 86,994 × 86,994
4. Step 4: Simplify right side
   59,220x = 7,567,956,036
5. Step 5: Solve for x
   x = 7,567,956,036/59,220
6. Step 6: Final answer
   x = 127,793.92