Finding the Third Proportional to 71,073.50 and 153,218

Step by Step Solution

1. Step 1: Write the proportion equation
   71,073.50 : 153,218 = 153,218 : x
2. Step 2: Convert to fraction form
   71,073.50/153,218 = 153,218/x
3. Step 3: Cross multiply
   71,073.50x = 153,218 × 153,218
4. Step 4: Simplify right side
   71,073.50x = 23,475,755,524
5. Step 5: Solve for x
   x = 23,475,755,524/71,073.50
6. Step 6: Final answer
   x = 330,302.51