Finding the Third Proportional to 111,946 and 155,158

Step by Step Solution

1. Step 1: Write the proportion equation
   111,946 : 155,158 = 155,158 : x
2. Step 2: Convert to fraction form
   111,946/155,158 = 155,158/x
3. Step 3: Cross multiply
   111,946x = 155,158 × 155,158
4. Step 4: Simplify right side
   111,946x = 24,074,004,964
5. Step 5: Solve for x
   x = 24,074,004,964/111,946
6. Step 6: Final answer
   x = 215,050.16