Finding the Third Proportional to 72,502.50 and 160,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,502.50 : 160,557.50 = 160,557.50 : x
2. Step 2: Convert to fraction form
   72,502.50/160,557.50 = 160,557.50/x
3. Step 3: Cross multiply
   72,502.50x = 160,557.50 × 160,557.50
4. Step 4: Simplify right side
   72,502.50x = 25,778,710,806.25
5. Step 5: Solve for x
   x = 25,778,710,806.25/72,502.50
6. Step 6: Final answer
   x = 355,556.16