Finding the Third Proportional to 42,349 and 89,395

Step by Step Solution

1. Step 1: Write the proportion equation
   42,349 : 89,395 = 89,395 : x
2. Step 2: Convert to fraction form
   42,349/89,395 = 89,395/x
3. Step 3: Cross multiply
   42,349x = 89,395 × 89,395
4. Step 4: Simplify right side
   42,349x = 7,991,466,025
5. Step 5: Solve for x
   x = 7,991,466,025/42,349
6. Step 6: Final answer
   x = 188,704.95