Finding the Third Proportional to 181,671 and 391,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,671 : 391,108.50 = 391,108.50 : x
2. Step 2: Convert to fraction form
   181,671/391,108.50 = 391,108.50/x
3. Step 3: Cross multiply
   181,671x = 391,108.50 × 391,108.50
4. Step 4: Simplify right side
   181,671x = 152,965,858,772.25
5. Step 5: Solve for x
   x = 152,965,858,772.25/181,671
6. Step 6: Final answer
   x = 841,993.82