Finding the Third Proportional to 50,406.50 and 74,460

Step by Step Solution

1. Step 1: Write the proportion equation
   50,406.50 : 74,460 = 74,460 : x
2. Step 2: Convert to fraction form
   50,406.50/74,460 = 74,460/x
3. Step 3: Cross multiply
   50,406.50x = 74,460 × 74,460
4. Step 4: Simplify right side
   50,406.50x = 5,544,291,600
5. Step 5: Solve for x
   x = 5,544,291,600/50,406.50
6. Step 6: Final answer
   x = 109,991.60