Finding the Third Proportional to 46,428 and 72,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,428 : 72,067.50 = 72,067.50 : x
2. Step 2: Convert to fraction form
   46,428/72,067.50 = 72,067.50/x
3. Step 3: Cross multiply
   46,428x = 72,067.50 × 72,067.50
4. Step 4: Simplify right side
   46,428x = 5,193,724,556.25
5. Step 5: Solve for x
   x = 5,193,724,556.25/46,428
6. Step 6: Final answer
   x = 111,866.21