Finding the Third Proportional to 42,567 and 64,443

Step by Step Solution

1. Step 1: Write the proportion equation
   42,567 : 64,443 = 64,443 : x
2. Step 2: Convert to fraction form
   42,567/64,443 = 64,443/x
3. Step 3: Cross multiply
   42,567x = 64,443 × 64,443
4. Step 4: Simplify right side
   42,567x = 4,152,900,249
5. Step 5: Solve for x
   x = 4,152,900,249/42,567
6. Step 6: Final answer
   x = 97,561.50