Finding the Third Proportional to 12,490.88 and 26,834.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,490.88 : 26,834.63 = 26,834.63 : x
2. Step 2: Convert to fraction form
   12,490.88/26,834.63 = 26,834.63/x
3. Step 3: Cross multiply
   12,490.88x = 26,834.63 × 26,834.63
4. Step 4: Simplify right side
   12,490.88x = 720,097,098.89
5. Step 5: Solve for x
   x = 720,097,098.89/12,490.88
6. Step 6: Final answer
   x = 57,649.85