Finding the Third Proportional to 42,528 and 64,176

Step by Step Solution

1. Step 1: Write the proportion equation
   42,528 : 64,176 = 64,176 : x
2. Step 2: Convert to fraction form
   42,528/64,176 = 64,176/x
3. Step 3: Cross multiply
   42,528x = 64,176 × 64,176
4. Step 4: Simplify right side
   42,528x = 4,118,558,976
5. Step 5: Solve for x
   x = 4,118,558,976/42,528
6. Step 6: Final answer
   x = 96,843.47