Finding the Third Proportional to 12,438.98 and 26,030.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,438.98 : 26,030.53 = 26,030.53 : x
2. Step 2: Convert to fraction form
   12,438.98/26,030.53 = 26,030.53/x
3. Step 3: Cross multiply
   12,438.98x = 26,030.53 × 26,030.53
4. Step 4: Simplify right side
   12,438.98x = 677,588,557.16
5. Step 5: Solve for x
   x = 677,588,557.16/12,438.98
6. Step 6: Final answer
   x = 54,472.98