Finding the Third Proportional to 33,311.17 and 71,312.43

Step by Step Solution

1. Step 1: Write the proportion equation
   33,311.17 : 71,312.43 = 71,312.43 : x
2. Step 2: Convert to fraction form
   33,311.17/71,312.43 = 71,312.43/x
3. Step 3: Cross multiply
   33,311.17x = 71,312.43 × 71,312.43
4. Step 4: Simplify right side
   33,311.17x = 5,085,462,906.50
5. Step 5: Solve for x
   x = 5,085,462,906.50/33,311.17
6. Step 6: Final answer
   x = 152,665.39