Finding the Third Proportional to 42,276 and 63,576

Step by Step Solution

1. Step 1: Write the proportion equation
   42,276 : 63,576 = 63,576 : x
2. Step 2: Convert to fraction form
   42,276/63,576 = 63,576/x
3. Step 3: Cross multiply
   42,276x = 63,576 × 63,576
4. Step 4: Simplify right side
   42,276x = 4,041,907,776
5. Step 5: Solve for x
   x = 4,041,907,776/42,276
6. Step 6: Final answer
   x = 95,607.62