Finding the Third Proportional to 74,369 and 111,719

Step by Step Solution

1. Step 1: Write the proportion equation
   74,369 : 111,719 = 111,719 : x
2. Step 2: Convert to fraction form
   74,369/111,719 = 111,719/x
3. Step 3: Cross multiply
   74,369x = 111,719 × 111,719
4. Step 4: Simplify right side
   74,369x = 12,481,134,961
5. Step 5: Solve for x
   x = 12,481,134,961/74,369
6. Step 6: Final answer
   x = 167,827.12