Finding the Third Proportional to 89,761.50 and 191,187

Step by Step Solution

1. Step 1: Write the proportion equation
   89,761.50 : 191,187 = 191,187 : x
2. Step 2: Convert to fraction form
   89,761.50/191,187 = 191,187/x
3. Step 3: Cross multiply
   89,761.50x = 191,187 × 191,187
4. Step 4: Simplify right side
   89,761.50x = 36,552,468,969
5. Step 5: Solve for x
   x = 36,552,468,969/89,761.50
6. Step 6: Final answer
   x = 407,217.67