Finding the Third Proportional to 72,434 and 156,926

Step by Step Solution

1. Step 1: Write the proportion equation
   72,434 : 156,926 = 156,926 : x
2. Step 2: Convert to fraction form
   72,434/156,926 = 156,926/x
3. Step 3: Cross multiply
   72,434x = 156,926 × 156,926
4. Step 4: Simplify right side
   72,434x = 24,625,769,476
5. Step 5: Solve for x
   x = 24,625,769,476/72,434
6. Step 6: Final answer
   x = 339,975.28