Finding the Third Proportional to 88,780.25 and 190,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,780.25 : 190,736.50 = 190,736.50 : x
2. Step 2: Convert to fraction form
   88,780.25/190,736.50 = 190,736.50/x
3. Step 3: Cross multiply
   88,780.25x = 190,736.50 × 190,736.50
4. Step 4: Simplify right side
   88,780.25x = 36,380,412,432.25
5. Step 5: Solve for x
   x = 36,380,412,432.25/88,780.25
6. Step 6: Final answer
   x = 409,780.47