Finding the Third Proportional to 42,192 and 99,576

Step by Step Solution

1. Step 1: Write the proportion equation
   42,192 : 99,576 = 99,576 : x
2. Step 2: Convert to fraction form
   42,192/99,576 = 99,576/x
3. Step 3: Cross multiply
   42,192x = 99,576 × 99,576
4. Step 4: Simplify right side
   42,192x = 9,915,379,776
5. Step 5: Solve for x
   x = 9,915,379,776/42,192
6. Step 6: Final answer
   x = 235,006.16