Finding the Third Proportional to 43,131 and 65,426

Step by Step Solution

1. Step 1: Write the proportion equation
   43,131 : 65,426 = 65,426 : x
2. Step 2: Convert to fraction form
   43,131/65,426 = 65,426/x
3. Step 3: Cross multiply
   43,131x = 65,426 × 65,426
4. Step 4: Simplify right side
   43,131x = 4,280,561,476
5. Step 5: Solve for x
   x = 4,280,561,476/43,131
6. Step 6: Final answer
   x = 99,245.59