Finding the Third Proportional to 12,290.91 and 26,334.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,290.91 : 26,334.28 = 26,334.28 : x
2. Step 2: Convert to fraction form
   12,290.91/26,334.28 = 26,334.28/x
3. Step 3: Cross multiply
   12,290.91x = 26,334.28 × 26,334.28
4. Step 4: Simplify right side
   12,290.91x = 693,494,368.95
5. Step 5: Solve for x
   x = 693,494,368.95/12,290.91
6. Step 6: Final answer
   x = 56,423.37