Finding the Third Proportional to 33,108.50 and 42,511

Step by Step Solution

1. Step 1: Write the proportion equation
   33,108.50 : 42,511 = 42,511 : x
2. Step 2: Convert to fraction form
   33,108.50/42,511 = 42,511/x
3. Step 3: Cross multiply
   33,108.50x = 42,511 × 42,511
4. Step 4: Simplify right side
   33,108.50x = 1,807,185,121
5. Step 5: Solve for x
   x = 1,807,185,121/33,108.50
6. Step 6: Final answer
   x = 54,583.72