Finding the Third Proportional to 148,756.50 and 226,638

Step by Step Solution

1. Step 1: Write the proportion equation
   148,756.50 : 226,638 = 226,638 : x
2. Step 2: Convert to fraction form
   148,756.50/226,638 = 226,638/x
3. Step 3: Cross multiply
   148,756.50x = 226,638 × 226,638
4. Step 4: Simplify right side
   148,756.50x = 51,364,783,044
5. Step 5: Solve for x
   x = 51,364,783,044/148,756.50
6. Step 6: Final answer
   x = 345,294.38