Finding the Third Proportional to 71,137 and 152,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,137 : 152,416.50 = 152,416.50 : x
2. Step 2: Convert to fraction form
   71,137/152,416.50 = 152,416.50/x
3. Step 3: Cross multiply
   71,137x = 152,416.50 × 152,416.50
4. Step 4: Simplify right side
   71,137x = 23,230,789,472.25
5. Step 5: Solve for x
   x = 23,230,789,472.25/71,137
6. Step 6: Final answer
   x = 326,564.09