Finding the Third Proportional to 70,188.75 and 150,426

Step by Step Solution

1. Step 1: Write the proportion equation
   70,188.75 : 150,426 = 150,426 : x
2. Step 2: Convert to fraction form
   70,188.75/150,426 = 150,426/x
3. Step 3: Cross multiply
   70,188.75x = 150,426 × 150,426
4. Step 4: Simplify right side
   70,188.75x = 22,627,981,476
5. Step 5: Solve for x
   x = 22,627,981,476/70,188.75
6. Step 6: Final answer
   x = 322,387.58