Finding the Third Proportional to 30,123 and 46,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,123 : 46,618.50 = 46,618.50 : x
2. Step 2: Convert to fraction form
   30,123/46,618.50 = 46,618.50/x
3. Step 3: Cross multiply
   30,123x = 46,618.50 × 46,618.50
4. Step 4: Simplify right side
   30,123x = 2,173,284,542.25
5. Step 5: Solve for x
   x = 2,173,284,542.25/30,123
6. Step 6: Final answer
   x = 72,147.02