Finding the Third Proportional to 78,550 and 111,058

Step by Step Solution

1. Step 1: Write the proportion equation
   78,550 : 111,058 = 111,058 : x
2. Step 2: Convert to fraction form
   78,550/111,058 = 111,058/x
3. Step 3: Cross multiply
   78,550x = 111,058 × 111,058
4. Step 4: Simplify right side
   78,550x = 12,333,879,364
5. Step 5: Solve for x
   x = 12,333,879,364/78,550
6. Step 6: Final answer
   x = 157,019.47