Finding the Third Proportional to 11,971.90 and 26,042.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,971.90 : 26,042.17 = 26,042.17 : x
2. Step 2: Convert to fraction form
   11,971.90/26,042.17 = 26,042.17/x
3. Step 3: Cross multiply
   11,971.90x = 26,042.17 × 26,042.17
4. Step 4: Simplify right side
   11,971.90x = 678,194,741.40
5. Step 5: Solve for x
   x = 678,194,741.40/11,971.90
6. Step 6: Final answer
   x = 56,648.87