Finding the Third Proportional to 34,074.42 and 69,849.21

Step by Step Solution

1. Step 1: Write the proportion equation
   34,074.42 : 69,849.21 = 69,849.21 : x
2. Step 2: Convert to fraction form
   34,074.42/69,849.21 = 69,849.21/x
3. Step 3: Cross multiply
   34,074.42x = 69,849.21 × 69,849.21
4. Step 4: Simplify right side
   34,074.42x = 4,878,912,268.59
5. Step 5: Solve for x
   x = 4,878,912,268.59/34,074.42
6. Step 6: Final answer
   x = 143,184.01