Finding the Third Proportional to 5,881.83 and 8,649.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,881.83 : 8,649.76 = 8,649.76 : x
2. Step 2: Convert to fraction form
   5,881.83/8,649.76 = 8,649.76/x
3. Step 3: Cross multiply
   5,881.83x = 8,649.76 × 8,649.76
4. Step 4: Simplify right side
   5,881.83x = 74,818,276.43
5. Step 5: Solve for x
   x = 74,818,276.43/5,881.83
6. Step 6: Final answer
   x = 12,720.23