Finding the Third Proportional to 42,363 and 56,476

Step by Step Solution

1. Step 1: Write the proportion equation
   42,363 : 56,476 = 56,476 : x
2. Step 2: Convert to fraction form
   42,363/56,476 = 56,476/x
3. Step 3: Cross multiply
   42,363x = 56,476 × 56,476
4. Step 4: Simplify right side
   42,363x = 3,189,538,576
5. Step 5: Solve for x
   x = 3,189,538,576/42,363
6. Step 6: Final answer
   x = 75,290.67