Finding the Third Proportional to 88,666 and 192,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,666 : 192,403.50 = 192,403.50 : x
2. Step 2: Convert to fraction form
   88,666/192,403.50 = 192,403.50/x
3. Step 3: Cross multiply
   88,666x = 192,403.50 × 192,403.50
4. Step 4: Simplify right side
   88,666x = 37,019,106,812.25
5. Step 5: Solve for x
   x = 37,019,106,812.25/88,666
6. Step 6: Final answer
   x = 417,511.86