Finding the Third Proportional to 51,942 and 74,020

Step by Step Solution

1. Step 1: Write the proportion equation
   51,942 : 74,020 = 74,020 : x
2. Step 2: Convert to fraction form
   51,942/74,020 = 74,020/x
3. Step 3: Cross multiply
   51,942x = 74,020 × 74,020
4. Step 4: Simplify right side
   51,942x = 5,478,960,400
5. Step 5: Solve for x
   x = 5,478,960,400/51,942
6. Step 6: Final answer
   x = 105,482.28