Finding the Third Proportional to 12,980.25 and 23,411.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.25 : 23,411.53 = 23,411.53 : x
2. Step 2: Convert to fraction form
   12,980.25/23,411.53 = 23,411.53/x
3. Step 3: Cross multiply
   12,980.25x = 23,411.53 × 23,411.53
4. Step 4: Simplify right side
   12,980.25x = 548,099,795.47
5. Step 5: Solve for x
   x = 548,099,795.47/12,980.25
6. Step 6: Final answer
   x = 42,225.67