Finding the Third Proportional to 100,300 and 152,425

Step by Step Solution

1. Step 1: Write the proportion equation
   100,300 : 152,425 = 152,425 : x
2. Step 2: Convert to fraction form
   100,300/152,425 = 152,425/x
3. Step 3: Cross multiply
   100,300x = 152,425 × 152,425
4. Step 4: Simplify right side
   100,300x = 23,233,380,625
5. Step 5: Solve for x
   x = 23,233,380,625/100,300
6. Step 6: Final answer
   x = 231,638.89