Finding the Third Proportional to 38,810.53 and 58,408.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,810.53 : 58,408.31 = 58,408.31 : x
2. Step 2: Convert to fraction form
   38,810.53/58,408.31 = 58,408.31/x
3. Step 3: Cross multiply
   38,810.53x = 58,408.31 × 58,408.31
4. Step 4: Simplify right side
   38,810.53x = 3,411,530,969.10
5. Step 5: Solve for x
   x = 3,411,530,969.10/38,810.53
6. Step 6: Final answer
   x = 87,902.20