Finding the Third Proportional to 33,602 and 49,431

Step by Step Solution

1. Step 1: Write the proportion equation
   33,602 : 49,431 = 49,431 : x
2. Step 2: Convert to fraction form
   33,602/49,431 = 49,431/x
3. Step 3: Cross multiply
   33,602x = 49,431 × 49,431
4. Step 4: Simplify right side
   33,602x = 2,443,423,761
5. Step 5: Solve for x
   x = 2,443,423,761/33,602
6. Step 6: Final answer
   x = 72,716.62