Finding the Third Proportional to 73,228.50 and 152,289

Step by Step Solution

1. Step 1: Write the proportion equation
   73,228.50 : 152,289 = 152,289 : x
2. Step 2: Convert to fraction form
   73,228.50/152,289 = 152,289/x
3. Step 3: Cross multiply
   73,228.50x = 152,289 × 152,289
4. Step 4: Simplify right side
   73,228.50x = 23,191,939,521
5. Step 5: Solve for x
   x = 23,191,939,521/73,228.50
6. Step 6: Final answer
   x = 316,706.47