Finding the Third Proportional to 30,453.89 and 46,869.47

Step by Step Solution

1. Step 1: Write the proportion equation
   30,453.89 : 46,869.47 = 46,869.47 : x
2. Step 2: Convert to fraction form
   30,453.89/46,869.47 = 46,869.47/x
3. Step 3: Cross multiply
   30,453.89x = 46,869.47 × 46,869.47
4. Step 4: Simplify right side
   30,453.89x = 2,196,747,100.91
5. Step 5: Solve for x
   x = 2,196,747,100.91/30,453.89
6. Step 6: Final answer
   x = 72,133.55