Finding the Third Proportional to 42,453 and 91,476

Step by Step Solution

1. Step 1: Write the proportion equation
   42,453 : 91,476 = 91,476 : x
2. Step 2: Convert to fraction form
   42,453/91,476 = 91,476/x
3. Step 3: Cross multiply
   42,453x = 91,476 × 91,476
4. Step 4: Simplify right side
   42,453x = 8,367,858,576
5. Step 5: Solve for x
   x = 8,367,858,576/42,453
6. Step 6: Final answer
   x = 197,108.77