Finding the Third Proportional to 42,036 and 64,275

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036 : 64,275 = 64,275 : x
2. Step 2: Convert to fraction form
   42,036/64,275 = 64,275/x
3. Step 3: Cross multiply
   42,036x = 64,275 × 64,275
4. Step 4: Simplify right side
   42,036x = 4,131,275,625
5. Step 5: Solve for x
   x = 4,131,275,625/42,036
6. Step 6: Final answer
   x = 98,279.47