Finding the Third Proportional to 30,308 and 45,740

Step by Step Solution

1. Step 1: Write the proportion equation
   30,308 : 45,740 = 45,740 : x
2. Step 2: Convert to fraction form
   30,308/45,740 = 45,740/x
3. Step 3: Cross multiply
   30,308x = 45,740 × 45,740
4. Step 4: Simplify right side
   30,308x = 2,092,147,600
5. Step 5: Solve for x
   x = 2,092,147,600/30,308
6. Step 6: Final answer
   x = 69,029.55