Finding the Third Proportional to 181,668 and 391,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,668 : 391,102.50 = 391,102.50 : x
2. Step 2: Convert to fraction form
   181,668/391,102.50 = 391,102.50/x
3. Step 3: Cross multiply
   181,668x = 391,102.50 × 391,102.50
4. Step 4: Simplify right side
   181,668x = 152,961,165,506.25
5. Step 5: Solve for x
   x = 152,961,165,506.25/181,668
6. Step 6: Final answer
   x = 841,981.89