Finding the Third Proportional to 42,443 and 91,459

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443 : 91,459 = 91,459 : x
2. Step 2: Convert to fraction form
   42,443/91,459 = 91,459/x
3. Step 3: Cross multiply
   42,443x = 91,459 × 91,459
4. Step 4: Simplify right side
   42,443x = 8,364,748,681
5. Step 5: Solve for x
   x = 8,364,748,681/42,443
6. Step 6: Final answer
   x = 197,081.94