Finding the Third Proportional to 171,611.25 and 357,426

Step by Step Solution

1. Step 1: Write the proportion equation
   171,611.25 : 357,426 = 357,426 : x
2. Step 2: Convert to fraction form
   171,611.25/357,426 = 357,426/x
3. Step 3: Cross multiply
   171,611.25x = 357,426 × 357,426
4. Step 4: Simplify right side
   171,611.25x = 127,753,345,476
5. Step 5: Solve for x
   x = 127,753,345,476/171,611.25
6. Step 6: Final answer
   x = 744,434.56