Finding the Third Proportional to 88,816 and 190,264

Step by Step Solution

1. Step 1: Write the proportion equation
   88,816 : 190,264 = 190,264 : x
2. Step 2: Convert to fraction form
   88,816/190,264 = 190,264/x
3. Step 3: Cross multiply
   88,816x = 190,264 × 190,264
4. Step 4: Simplify right side
   88,816x = 36,200,389,696
5. Step 5: Solve for x
   x = 36,200,389,696/88,816
6. Step 6: Final answer
   x = 407,588.61