Finding the Third Proportional to 88,780 and 190,736

Step by Step Solution

1. Step 1: Write the proportion equation
   88,780 : 190,736 = 190,736 : x
2. Step 2: Convert to fraction form
   88,780/190,736 = 190,736/x
3. Step 3: Cross multiply
   88,780x = 190,736 × 190,736
4. Step 4: Simplify right side
   88,780x = 36,380,221,696
5. Step 5: Solve for x
   x = 36,380,221,696/88,780
6. Step 6: Final answer
   x = 409,779.47