Finding the Third Proportional to 34,071.26 and 69,842.57

Step by Step Solution

1. Step 1: Write the proportion equation
   34,071.26 : 69,842.57 = 69,842.57 : x
2. Step 2: Convert to fraction form
   34,071.26/69,842.57 = 69,842.57/x
3. Step 3: Cross multiply
   34,071.26x = 69,842.57 × 69,842.57
4. Step 4: Simplify right side
   34,071.26x = 4,877,984,082.21
5. Step 5: Solve for x
   x = 4,877,984,082.21/34,071.26
6. Step 6: Final answer
   x = 143,170.06