Finding the Third Proportional to 5,902.88 and 8,773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,902.88 : 8,773.31 = 8,773.31 : x
2. Step 2: Convert to fraction form
   5,902.88/8,773.31 = 8,773.31/x
3. Step 3: Cross multiply
   5,902.88x = 8,773.31 × 8,773.31
4. Step 4: Simplify right side
   5,902.88x = 76,971,012.22
5. Step 5: Solve for x
   x = 76,971,012.22/5,902.88
6. Step 6: Final answer
   x = 13,039.58