Finding the Third Proportional to 112,807.50 and 188,003.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,807.50 : 188,003.25 = 188,003.25 : x
2. Step 2: Convert to fraction form
   112,807.50/188,003.25 = 188,003.25/x
3. Step 3: Cross multiply
   112,807.50x = 188,003.25 × 188,003.25
4. Step 4: Simplify right side
   112,807.50x = 35,345,222,010.56
5. Step 5: Solve for x
   x = 35,345,222,010.56/112,807.50
6. Step 6: Final answer
   x = 313,323.33