Finding the Third Proportional to 16,581.90 and 34,701.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.90 : 34,701.54 = 34,701.54 : x
2. Step 2: Convert to fraction form
   16,581.90/34,701.54 = 34,701.54/x
3. Step 3: Cross multiply
   16,581.90x = 34,701.54 × 34,701.54
4. Step 4: Simplify right side
   16,581.90x = 1,204,196,813.31
5. Step 5: Solve for x
   x = 1,204,196,813.31/16,581.90
6. Step 6: Final answer
   x = 72,621.15