Finding the Third Proportional to 90,616 and 187,604

Step by Step Solution

1. Step 1: Write the proportion equation
   90,616 : 187,604 = 187,604 : x
2. Step 2: Convert to fraction form
   90,616/187,604 = 187,604/x
3. Step 3: Cross multiply
   90,616x = 187,604 × 187,604
4. Step 4: Simplify right side
   90,616x = 35,195,260,816
5. Step 5: Solve for x
   x = 35,195,260,816/90,616
6. Step 6: Final answer
   x = 388,400.07