Finding the Third Proportional to 34,581 and 70,429

Step by Step Solution

1. Step 1: Write the proportion equation
   34,581 : 70,429 = 70,429 : x
2. Step 2: Convert to fraction form
   34,581/70,429 = 70,429/x
3. Step 3: Cross multiply
   34,581x = 70,429 × 70,429
4. Step 4: Simplify right side
   34,581x = 4,960,244,041
5. Step 5: Solve for x
   x = 4,960,244,041/34,581
6. Step 6: Final answer
   x = 143,438.42