Finding the Third Proportional to 78,555 and 111,063

Step by Step Solution

1. Step 1: Write the proportion equation
   78,555 : 111,063 = 111,063 : x
2. Step 2: Convert to fraction form
   78,555/111,063 = 111,063/x
3. Step 3: Cross multiply
   78,555x = 111,063 × 111,063
4. Step 4: Simplify right side
   78,555x = 12,334,989,969
5. Step 5: Solve for x
   x = 12,334,989,969/78,555
6. Step 6: Final answer
   x = 157,023.61