Finding the Third Proportional to 34,579 and 70,426

Step by Step Solution

1. Step 1: Write the proportion equation
   34,579 : 70,426 = 70,426 : x
2. Step 2: Convert to fraction form
   34,579/70,426 = 70,426/x
3. Step 3: Cross multiply
   34,579x = 70,426 × 70,426
4. Step 4: Simplify right side
   34,579x = 4,959,821,476
5. Step 5: Solve for x
   x = 4,959,821,476/34,579
6. Step 6: Final answer
   x = 143,434.50