Finding the Third Proportional to 89,308 and 190,897.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,308 : 190,897.75 = 190,897.75 : x
2. Step 2: Convert to fraction form
   89,308/190,897.75 = 190,897.75/x
3. Step 3: Cross multiply
   89,308x = 190,897.75 × 190,897.75
4. Step 4: Simplify right side
   89,308x = 36,441,950,955.06
5. Step 5: Solve for x
   x = 36,441,950,955.06/89,308
6. Step 6: Final answer
   x = 408,048.00