Finding the Third Proportional to 33,810 and 72,310.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,810 : 72,310.50 = 72,310.50 : x
2. Step 2: Convert to fraction form
   33,810/72,310.50 = 72,310.50/x
3. Step 3: Cross multiply
   33,810x = 72,310.50 × 72,310.50
4. Step 4: Simplify right side
   33,810x = 5,228,808,410.25
5. Step 5: Solve for x
   x = 5,228,808,410.25/33,810
6. Step 6: Final answer
   x = 154,652.72