Finding the Third Proportional to 34,080.75 and 69,857.44

Step by Step Solution

1. Step 1: Write the proportion equation
   34,080.75 : 69,857.44 = 69,857.44 : x
2. Step 2: Convert to fraction form
   34,080.75/69,857.44 = 69,857.44/x
3. Step 3: Cross multiply
   34,080.75x = 69,857.44 × 69,857.44
4. Step 4: Simplify right side
   34,080.75x = 4,880,061,574.07
5. Step 5: Solve for x
   x = 4,880,061,574.07/34,080.75
6. Step 6: Final answer
   x = 143,191.14