Finding the Third Proportional to 34,110 and 69,911

Step by Step Solution

1. Step 1: Write the proportion equation
   34,110 : 69,911 = 69,911 : x
2. Step 2: Convert to fraction form
   34,110/69,911 = 69,911/x
3. Step 3: Cross multiply
   34,110x = 69,911 × 69,911
4. Step 4: Simplify right side
   34,110x = 4,887,547,921
5. Step 5: Solve for x
   x = 4,887,547,921/34,110
6. Step 6: Final answer
   x = 143,287.83